Flights Washington → Miami
IAD → MIA
Route overview
The flight route from Washington to Miami operates with a high level of punctuality, with 87% of flights arriving on time. Over the past year, there have been 192 total flights on this route, with an average delay of 8.5 minutes when delays do occur. The two cities are connected by Boeing 737-800 and Airbus A319 aircraft, serving a busy destination airport that sees over 50 million passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Washington (IAD) → Miami (MIA) route is operated by American Airlines, United Airlines. Across 254 flights monitored in recent months, 87% arrived on time (within 15 min of schedule), with an average delay of 8 minutes. The cancellation rate is 2.36%. FlightGuard's average computed risk is 17.9/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Miami the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Washington the average ATFM delay is 2.0 minutes.
Heading to Miami: what to expect in this direction
Flying from Washington (IAD) to Miami (MIA) heads south for about 1,486 km, a flight time of roughly 2h 17m.
Departures from Washington on this leg cluster in the overnight window: about 47% of IAD-MIA flights take off then.
Air-traffic congestion: departing Washington the average ATFM delay is 2.0 min (atfm); arriving into Miami it is 2.0 min (atfm).
Across 254 tracked IAD-MIA flights, 87% left on time with an average delay of 8 min and a 2.4% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
| American Airlines (AA) | 74% | 16 min | 3.0% |
Airlines operating IAD-MIA
Airports
Frequently asked questions about IAD-MIA
On the Washington (IAD) -> Miami (MIA) route, on-time performance is 87% with an average delay of 8 minutes, based on 254 tracked flights.
The cancellation rate on Washington-Miami is 2.36% across 254 monitored flights.
The route is operated by 2 airlines: American Airlines, United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Miami, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
