Flights Chicago → Miami
ORD → MIA
Route overview
The flight route from Chicago to Miami operates with a Boeing 737-800, Boeing 767-300, and Canadair Regional Jet 700, serving one of the busiest airports in terms of annual passengers at the destination. With 1,309 total flights recorded, the route maintains a punctuality rate of 75%, with an average delay time of 15.2 minutes per flight.
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 Chicago (ORD) → Miami (MIA) route is operated by American Airlines, United Airlines. Across 1732 flights monitored in recent months, 76% arrived on time (within 15 min of schedule), with an average delay of 15 minutes. The cancellation rate is 2.89%. FlightGuard's average computed risk is 22/100 (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 Chicago the average ATFM delay is 2.0 minutes.
Heading to Miami: what to expect in this direction
Flying from Chicago (ORD) to Miami (MIA) heads south-east for about 1,930 km, a flight time of roughly 2h 50m.
Departures from Chicago on this leg cluster in the overnight window: about 53% of ORD-MIA flights take off then.
Air-traffic congestion: departing Chicago the average ATFM delay is 2.0 min (atfm); arriving into Miami it is 2.0 min (atfm).
Across 1,732 tracked ORD-MIA flights, 76% left on time with an average delay of 15 min and a 2.9% 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 ORD-MIA
Airports
Frequently asked questions about ORD-MIA
On the Chicago (ORD) -> Miami (MIA) route, on-time performance is 76% with an average delay of 15 minutes, based on 1732 tracked flights.
The cancellation rate on Chicago-Miami is 2.89% across 1732 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.
