Skip to content

Flights St. Thomas → Chicago

STT → ORD

4h 41m
Flight time (est.)
3.4
Average risk (Low)
82%
On-time
11 min
Average delay
0.0%
Cancellations
1
Airlines

How long is the flight from St. Thomas to Chicago?

The flight from St. Thomas (STT) to Chicago (ORD) takes about 4h 41m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.

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 174 flights monitored in recent months, 82% 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 3.4/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Chicago the average ATFM delay is 5.5 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 69% 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 5.5 min (atfm).

Across 174 tracked STT-ORD flights, 82% left on time with an average delay of 11 min and a 0.0% cancellation rate.

Route facts

Time difference
1h behind
Arrival (dest. local time)
11:41
Elevation ORD
680 ft
Typical aircraft
Boeing 737-700
Est. CO₂/passenger
~341 kg

Flexible on this trip? Compare flights

Airline punctuality on this route

Airline On-time Average delay Cancellations
United Airlines (UA) 83% 5 min 1.3%

Airlines operating STT-ORD

Frequently asked questions about STT-ORD

The flight from St. Thomas (STT) to Chicago (ORD) takes about 4h 41m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.

On the St. Thomas (STT) -> Chicago (ORD) route, on-time performance is 82% with an average delay of 11 minutes, based on 174 tracked flights.

The cancellation rate on St. Thomas-Chicago is 0.00% across 174 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.