Flights San Antonio → Chicago
SAT → MDW
How long is the flight from San Antonio to Chicago?
The flight from San Antonio (SAT) to Chicago (MDW) takes about 2h 30m. 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 San Antonio to Chicago has a punctuality rate of 69%, with an average delay of 14.5 minutes per flight. Over the past year, this route has seen 146 flights depart from San Antonio International Airport, which was established in 1942, connecting to one of the busiest airports in terms of annual passengers at nearly 19.9 million people.
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 San Antonio (SAT) → Chicago (MDW) route is operated by Southwest Airlines. Across 394 flights monitored in recent months, 71% arrived on time (within 15 min of schedule), with an average delay of 14 minutes. The cancellation rate is 2.03%. FlightGuard's average computed risk is 21/100 (medium), 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 San Antonio the average ATFM delay is 5.5 minutes.
Heading to Chicago: what to expect in this direction
Flying from San Antonio (SAT) to Chicago (MDW) heads north-east for about 1,668 km, a flight time of roughly 2h 30m.
Departures from San Antonio on this leg cluster in the morning window: about 51% of SAT-MDW flights take off then.
Air-traffic congestion: departing San Antonio the average ATFM delay is 5.5 min (atfm); arriving into Chicago it is 5.5 min (atfm).
Across 394 tracked SAT-MDW flights, 71% left on time with an average delay of 14 min and a 2.0% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 75% | 5 min | 0.3% |
Airlines operating SAT-MDW
Airports
Frequently asked questions about SAT-MDW
The flight from San Antonio (SAT) to Chicago (MDW) takes about 2h 30m. 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 San Antonio (SAT) -> Chicago (MDW) route, on-time performance is 71% with an average delay of 14 minutes, based on 394 tracked flights.
The cancellation rate on San Antonio-Chicago is 2.03% across 394 monitored flights.
The route is operated by 1 airline: Southwest 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.
