Flights Chicago → St. Thomas
ORD → STT
Route overview
This flight route operates from Chicago to St. Thomas, using a Boeing 737-700 aircraft. With an average delay of 11.9 minutes and a 78% on-time performance rate, the service is generally reliable, serving the busy destination airport which sees over 1.4 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 Chicago (ORD) → St. Thomas (STT) route is operated by United Airlines. Across 161 flights monitored in recent months, 80% arrived on time (within 15 min of schedule), with an average delay of 11 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 12.2/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At St. Thomas the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Chicago the average ATFM delay is 2.0 minutes.
Heading to St. Thomas: what to expect in this direction
Flying from Chicago (ORD) to St. Thomas (STT) heads south-east for about 3,408 km, a flight time of roughly 4h 41m.
Departures from Chicago on this leg cluster in the overnight window: about 100% of ORD-STT flights take off then.
Air-traffic congestion: departing Chicago the average ATFM delay is 2.0 min (atfm); arriving into St. Thomas it is 2.0 min (atfm).
Across 161 tracked ORD-STT flights, 80% left on time with an average delay of 11 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 ORD-STT
Airports
Frequently asked questions about ORD-STT
On the Chicago (ORD) -> St. Thomas (STT) route, on-time performance is 80% with an average delay of 11 minutes, based on 161 tracked flights.
The cancellation rate on Chicago-St. Thomas 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 St. Thomas, 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.
