Flights St. Thomas → Chicago
STT → ORD
Route overview
The flight route from St. Thomas to Chicago operates with a Boeing 737-700 aircraft and has an on-time performance rate of 81%, with an average delay of 12.4 minutes per flight. Over the course of a year, this destination airport serves approximately 80 million passengers, indicating high traffic and demand for such routes.
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 St. Thomas (STT) → Chicago (ORD) route is operated by United Airlines. Across 161 flights monitored in recent months, 81% arrived on time (within 15 min of schedule), with an average delay of 12 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 12.8/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Chicago the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from St. Thomas the average ATFM delay is 2.0 minutes.
Heading to Chicago: what to expect in this direction
Flying from St. Thomas (STT) to Chicago (ORD) heads north-west for about 3,408 km, a flight time of roughly 4h 41m.
Departures from St. Thomas on this leg cluster in the morning window: about 66% of STT-ORD flights take off then.
Air-traffic congestion: departing St. Thomas the average ATFM delay is 2.0 min (atfm); arriving into Chicago it is 2.0 min (atfm).
Across 161 tracked STT-ORD flights, 81% left on time with an average delay of 12 min and a 0.0% 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% |
Airlines operating STT-ORD
Airports
Frequently asked questions about STT-ORD
On the St. Thomas (STT) -> Chicago (ORD) route, on-time performance is 81% with an average delay of 12 minutes, based on 161 tracked flights.
The cancellation rate on St. Thomas-Chicago is 0.00% across 161 monitored flights.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Chicago, 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.
