Updated October 2026 — includes DOT automatic refund rule
When an airline delays your flight for a mechanical or maintenance issue, that is a controllable delay. Airlines are responsible for maintaining their aircraft. They cannot claim "extraordinary circumstances." This means they owe you meals, hotel, ground transportation, and — if the delay is long enough — a full cash refund.
Meals after 3 hours
Meal vouchers or reimbursement for food purchased during the wait
Hotel if overnight
Accommodation at the airline's expense if the delay pushes into the next day
Ground transportation
Transport to and from the hotel
Rebooking on next available flight
At no extra cost, including on partner airlines if the airline's own flights are full
Full cash refund (3+ hours domestic, 6+ hours international)
If you choose not to travel, you're entitled to a full refund to your original payment method under 14 CFR Part 260
The DOT divides delays into two categories. Your rights depend heavily on which category your delay falls into.
Airline owes: meals, hotel, transport, rebooking, refund
Airline owes: refund only (no meals, hotel, transport)
Some airlines describe mechanical delays as "safety-related" or "required maintenance" to make it sound like they're doing you a favor. Don't be confused by the framing. Regardless of how they describe it, a mechanical issue is controllable. The airline chose to operate that aircraft and is responsible for its condition.
If the gate agent tells you the airline "isn't responsible" for a mechanical delay, they are wrong. Ask for a supervisor and cite the DOT's controllable delay policy. If they still refuse, document it and file a complaint.
Screenshot the delay notification and reason
Document that the airline cited a mechanical or maintenance issue. Check the airline app — it often shows the reason. This is your key evidence.
Ask for meal vouchers after 3 hours
Approach the gate agent and say: "This is a controllable delay. I'd like meal vouchers." If they say no, note the agent's name and time.
If overnight: demand hotel and transport
The airline must provide hotel accommodation and ground transportation for controllable overnight delays. Don't book your own hotel without asking first — but if they refuse, book one and keep the receipt for reimbursement.
After 3 hours: decide — rebook or refund
You can accept rebooking on the next available flight, or take a full cash refund and make your own arrangements. You don't have to accept vouchers.
Get your free complaint letter
Enter your airline and situation. We'll generate a complaint letter citing controllable delay regulations — ready to send in one click.
Is a mechanical delay the airline's fault?
Yes. Mechanical and maintenance delays are always classified as controllable — meaning they are the airline's responsibility. Airlines are responsible for maintaining their aircraft, and a mechanical issue is never considered an extraordinary circumstance under US DOT rules. This is different from weather or air traffic control, which are uncontrollable. Because mechanical delays are controllable, the airline owes you meals, hotel, transportation, and a full refund if you choose not to travel.
What am I owed for a maintenance delay?
For a controllable delay like a mechanical issue: meal vouchers after 3 hours of waiting, hotel accommodation if the delay causes an overnight stay, ground transportation to and from the hotel, rebooking on the next available flight at no extra cost, and a full cash refund if the delay exceeds 3 hours (domestic) or 6 hours (international) and you choose not to travel. These obligations apply because maintenance delays are the airline's fault.
Can the airline claim a mechanical issue is an extraordinary circumstance?
No. Under US DOT rules, mechanical and maintenance issues are never considered extraordinary circumstances. Airlines are responsible for the airworthiness of their fleet. This is well-established in DOT enforcement actions. Under EU261 (for flights departing from Europe), courts have also consistently ruled that technical problems are not extraordinary circumstances unless caused by an external event like a bird strike or manufacturing defect discovered after delivery.
How long before I can demand a refund for a maintenance delay?
Under the DOT's automatic refund rule (14 CFR Part 260), you can demand a full cash refund if a domestic flight is delayed 3 or more hours, or an international flight is delayed 6 or more hours. For mechanical delays specifically, this threshold is straightforward because the delay is always controllable. You don't have to accept rebooking — you can take the refund and book alternative travel yourself.