Medicare Open Enrollment for 2027 coverage opened on October 15, 2026, and closes on December 7, 2026, the window the Centers for Medicare & Medicaid Services (CMS) announced on September 28, 2026, alongside a projection that the weighted average Medicare Advantage premium will fall from $14.37 a month in 2026 to $12.00 in 2027. The premium is the small number; the large one is the plan's maximum out-of-pocket amount, or MOOP, and CMS has capped it for 2027 at $9,850 for in-network care and $14,800 for in-network and out-of-network care combined. A plan with drug coverage adds a separate Part D limit of $2,400, so the $9,850 figure now circulating as the 2027 Medicare Advantage limit is one of three ceilings, and for a PPO member who sees out-of-network doctors it is not the one that ends the year's spending. Both MOOP figures are maximums, not the amount on a given plan. Plans pick a number at or below them in one of three tiers, set by a CMS memo dated April 22, 2026, u...
A cancelled flight in the United States triggers a refund. It does not trigger compensation. Those are two different things, and confusing them is the reason many passengers walk away from a gate believing an airline broke a rule it never had to follow.
The refund side is written into federal regulation. The Department of Transportation published its final rule on refunds on April 26, 2024 (89 FR 32760), creating a new part of the aviation code — 14 CFR Part 260 — that spells out exactly when money must be returned, how fast, and in what form. The compensation side, meaning cash for the inconvenience of a lost day, does not exist in U.S. law at all. There is no American equivalent of the European delay-compensation scheme.
The Three Hour and Six Hour Thresholds
Under 14 CFR 260.2, a flight is a significantly delayed or changed flight when the carrier makes a change that results in a departure or arrival shifting by three hours or more for domestic itineraries, or six hours or more for international itineraries. The same definition treats several non-time changes as significant regardless of the clock:
- A change to a different departure airport or a different arrival airport
- An increase in the number of connections in the itinerary
- A downgrade to a lower class of service than the one purchased
- For a passenger with a disability, a substitute aircraft that lacks an accessibility feature the original aircraft had
A cancelled flight is defined separately in the same section: a flight with a specific flight number, scheduled between a specific origin-destination city pair and published in the carrier's reservation system at the time of sale, that the carrier did not operate.
Below those lines, no refund obligation exists under Part 260. A domestic flight arriving two hours and fifty minutes late is, in regulatory terms, an on-schedule flight that ran late. Nothing is owed. That single fact accounts for most of the gap between what passengers expect and what they receive.
Crossing the Threshold Is Not the Same as Being Owed a Refund
This is the step most summaries skip. Under 14 CFR 260.6, hitting a threshold does not by itself put money back on a card. The refund becomes due when the passenger does not take the alternative.
The regulation lists the paths. A full refund is owed when the flight is cancelled or significantly delayed or changed and any one of the following is true:
- The carrier offers no alternative flight and no voucher, credit, or other compensation
- The passenger rejects the delayed or changed flight, rejects rebooking on an alternative flight, and rejects any voucher or credit offered
- The passenger does not respond to the carrier's offer by the scheduled departure date of the original flight
The third path matters more than it looks: silence counts as a rejection. A passenger who never replies to a rebooking notice has, by the terms of the rule, declined it, and the refund obligation attaches. The reverse also holds — boarding the replacement flight is acceptance, and the refund path closes.
What "Full Refund" Includes, and How Fast It Has to Arrive
The refund covers the ticket purchase price minus the value of any portion of the transportation already used, plus all government-imposed taxes and fees and all airline-imposed fees. Optional service charges collected for services never delivered come back as well, under 14 CFR 260.4 — seat selection on a flight that never operated, a Wi-Fi charge on an aircraft where the system failed, an inflight entertainment fee where the screen never came on.
The deadlines come from the definition of a prompt refund in 14 CFR 260.2, which 14 CFR 260.10 turns into an obligation. A refund is prompt when issued:
- Within 7 business days for a purchase made by credit card
- Within 20 calendar days for cash, check, debit card, or any other payment method
Form matters as much as speed. The refund must go back as cash or in the original form of payment, including airline miles where miles were used. A voucher or travel credit does not satisfy the obligation unless the passenger affirmatively accepts it, the rule in 14 CFR 260.7, and 14 CFR 260.6(c)(2) requires any such credit to stay valid for at least five years from issuance.
Three worked cases
Case one — nothing flown. A round trip purchased for $1,180 includes $214 in taxes and government fees, $70 in seat selection charges, and $80 in checked bag fees. The outbound flight is cancelled and the passenger declines rebooking, so no segment is flown. The refundable amount is the entire $1,180. Taxes, seat fees, and bag fees are inside the number, not outside it.
Case two — half flown. A $640 round trip is flown outbound; the return is cancelled. The refund covers the ticket price minus the value of transportation already used. The carrier computes that used value from its own fare construction, which is rarely a clean 50 percent split, so the refunded figure will rarely be exactly $320.
Case three — the bag, not the flight. A domestic flight arrives on schedule. A $35 checked bag is delivered 14 hours after gate arrival. The flight itself owes nothing, because it operated as scheduled. The bag fee is refundable under 14 CFR 260.5, because 14 hours is past the 12-hour domestic threshold. The refund here is $35, not the fare.
Being Bumped Is a Different Rule With Different Money
Involuntary denied boarding from an oversold flight sits in a separate regulation, 14 CFR Part 250, and it is the one place where U.S. rules do require a cash payment rather than a refund. The amounts were last adjusted for inflation effective January 22, 2025.
| Situation | Domestic | International departing a U.S. airport | Payment |
|---|---|---|---|
| Carrier gets the passenger there within 1 hour of planned arrival | — | — | No compensation required |
| Substitute arrival is later than that first band | 1 to 2 hours late | 1 to 4 hours late | 200% of the one-way fare, capped at $1,075 |
| Substitute arrival beyond the second band, or none offered | Over 2 hours | Over 4 hours | 400% of the one-way fare, capped at $2,150 |
A worked figure: a passenger bumped off a domestic flight on a $412 one-way fare and rebooked to arrive one hour and forty minutes late falls in the 200% band. Two hundred percent of $412 is $824, below the $1,075 ceiling, so the payment is $824 rather than the cap. Rebooked instead to arrive three hours late, the same passenger falls in the 400% band: $1,648, again below the $2,150 ceiling.
The critical limit is scope. Denied boarding compensation applies to involuntary bumping from an oversold flight. It does not apply to a cancelled flight, and it does not apply to a passenger who volunteered to give up a seat in exchange for a negotiated offer.
Meals, Hotels, and Cash for the Lost Day
The Department of Transportation publishes an airline customer service dashboard tracking what carriers have pledged to do after a controllable cancellation or delay — a disruption inside the airline's own control rather than weather or air traffic control. As of that dashboard, all nine tracked carriers commit to rebooking on the same airline at no additional cost and to a meal or meal voucher when a controllable disruption leaves a passenger waiting three hours or more. Eight of the nine commit to complimentary hotel accommodation and to ground transportation to that hotel for an overnight disruption; Frontier is the single exception, committing to neither. No carrier commits to cash compensation, and only four — Alaska, Hawaiian, JetBlue, and Southwest — commit to a travel credit, voucher, or miles after a controllable cancellation.
These are voluntary commitments published by the Department, not federal requirements. The distinction has a practical consequence: a broken commitment is a matter for a complaint to the Department, not a violation of a regulation with a fixed remedy attached.
How Often the Trigger Event Occurs
Cancellation rates for the reporting U.S. marketing carriers, as published by the Bureau of Transportation Statistics, show how rare the qualifying event is in an ordinary year and how sharply it moves in a disrupted one.
At a 1.4 percent cancellation rate the refund rule is a rare event for one traveler and a routine cost for a carrier moving millions of segments. That asymmetry is why the 2024 rule made the refund automatic: the prior framework depended on a passenger knowing to ask.
An Open Question the Department Has Paused On
The April 2024 rule defined a cancelled flight by flight number, which meant that renumbering a flight — a common scheduling practice — counted as a cancellation and triggered refunds even where the passenger reached the destination on time on the renumbered flight.
The Department issued a notification of enforcement discretion effective December 5, 2025, declining to enforce the refund requirement in that narrow case: where a carrier changes only the flight number, rebooks the passenger on the renumbered flight, and there is no significant change or delay to the itinerary. That pause was set to run to June 30, 2026, and was then extended by a further notification effective July 7, 2026, running to July 7, 2027, pending a follow-on rulemaking.
Everything else in the rule remains enforceable. The pause covers renumbering alone; a genuine cancellation, a three-hour domestic delay, or a six-hour international delay is untouched by it.
Adjacent Rules Worth Knowing the Numbers For
- The 24-hour rule. Under 14 CFR 259.5(b)(4), a carrier must hold a reservation at the quoted fare without payment, or allow cancellation without penalty, for at least 24 hours after booking, when the reservation is made one week or more before departure. This applies to bookings made directly with the carrier, not through a third-party agent.
- Tarmac delay. Under 14 CFR 259.4, a carrier must offer the opportunity to deplane before a tarmac delay at a U.S. airport exceeds three hours on a domestic flight or four hours on an international flight, and must provide adequate food and potable water no later than two hours into the delay.
- Notification speed. Under 14 CFR 259.8, a carrier must inform ticketed passengers and the public of a cancellation, diversion, or delay of 30 minutes or more within 30 minutes of learning of it.
- Domestic baggage liability. The maximum liability for lost, damaged, or delayed baggage on a domestic itinerary rose to $4,700 per passenger effective January 22, 2025, up from $3,800.
- Non-refundable means non-refundable. A passenger who buys a non-refundable ticket, then chooses not to travel or arrives late to the airport, is owed nothing when the flight operates as scheduled. Part 260 is triggered by carrier action, not passenger action.
Numbers to Re-check
| Figure | As stated here | Where to verify | When it changes |
|---|---|---|---|
| Significant delay, domestic | 3 hours | 14 CFR 260.2 (eCFR) | Only by rulemaking |
| Significant delay, international | 6 hours | 14 CFR 260.2 (eCFR) | Only by rulemaking |
| Bag delay thresholds | 12 / 15 / 30 hours | 14 CFR 260.5 (eCFR) | Only by rulemaking |
| Refund deadline, credit card | 7 business days | 14 CFR 260.2 and 260.10 (eCFR) | Only by rulemaking |
| Refund deadline, other payment | 20 calendar days | 14 CFR 260.2 and 260.10 (eCFR) | Only by rulemaking |
| Denied boarding caps | $1,075 and $2,150 | 14 CFR 250.5; DOT Bumping & Oversales page | Inflation adjustment, roughly every two years |
| Domestic baggage liability | $4,700 | DOT oversales and baggage final rule | Inflation adjustment, roughly every two years |
| Flight-renumbering enforcement pause | Through July 7, 2027 | Federal Register, DOT aviation consumer protection notices | On completion of the pending rulemaking |
| Carrier commitments on meals and hotels | 9 carriers tracked | DOT Airline Customer Service Dashboard | Whenever a carrier revises its commitment |
| Annual cancellation rate | 1.40% in 2024 | Bureau of Transportation Statistics, Air Travel Consumer Report | Monthly; full-year figure each February |
Where This Doesn't Apply
Flights that never touch the United States. Part 260 reaches covered flights to, from, and within the United States. A flight between two foreign points on a foreign carrier falls under that jurisdiction's rules, which in Europe include a delay-compensation scheme with no U.S. counterpart. A passenger on a U.S.-Europe itinerary may hold rights under both frameworks, and the more generous one is not automatically the one applied first.
Tickets bought through a third party. The 24-hour hold-or-cancel requirement in 14 CFR 259.5(b)(4) is written for carriers, not for online travel agencies. A booking made through an agent may carry the agent's own cancellation terms and its own service fee, and the refund of that agent's fee is a contract matter rather than a Part 260 matter.
Passenger-initiated changes. Everything above turns on the carrier changing or cancelling the flight. A missed connection across two separately ticketed itineraries falls outside the rule entirely: two tickets are two contracts, and the second carrier inherits no obligation from the first carrier's delay.
The reason for the cancellation. The refund obligation does not distinguish between a weather cancellation and a staffing cancellation. Both trigger the same refund. The distinction between controllable and uncontrollable matters only for the voluntary meal and hotel commitments on the Department's dashboard, which is why a weather cancellation can produce a refund but no hotel room.
Passengers who accept the rebooking, then regret it. Acceptance closes the refund path. A passenger who boards a replacement flight arriving nine hours late has used the transportation, and the size of the delay does not reopen a refund claim afterward.
Bumping versus cancellation. The 200% and 400% payments never attach to a cancelled flight, however long the disruption.
Concrete Framework
- Identify which rule the event falls under: cancellation or significant change (Part 260), oversale (Part 250), tarmac delay (259.4), or none of them.
- Measure the change against the threshold that applies — 3 hours domestic, 6 hours international, or one of the non-time triggers such as an airport change, an added connection, or a class downgrade.
- Decide before the original scheduled departure whether to take the alternative. Acceptance ends the refund path; declining or not responding preserves it.
- Confirm the form of any offer. A credit is not a refund unless affirmatively accepted, and a credit must be valid for at least five years.
- Track the clock: 7 business days for a credit card purchase, 20 calendar days for any other payment method, counted from the date the refund becomes due.
- Account separately for ancillary fees — seats, Wi-Fi, entertainment — and for checked bag fees against the 12, 15, and 30 hour bag thresholds.
- If the deadline passes without payment, file a complaint with the Department of Transportation's Aviation Consumer Protection office, which is the enforcement channel for Part 260.
This article explains how the rules are written. It is not tax, legal, or insurance advice, and it does not account for any individual situation. Amounts and thresholds change; verify the current figures at the source listed above before acting.
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