Flights Sacramento → Ontario
SMF → ONT
Route overview
The flight route from Sacramento to Ontario operates with a Boeing 737-300 and has an on-time performance rate of 82%, with an average delay of 7.4 minutes per flight. Over the course of a year, this route sees approximately 520 flights, serving a destination airport that handles nearly 5.74 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 Sacramento (SMF) → Ontario (ONT) route is operated by Southwest Airlines. Across 661 flights monitored in recent months, 84% arrived on time (within 15 min of schedule), with an average delay of 6 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 19.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Ontario the average ATFM delay is 2.0 minutes (main cause: airspace/NAS (BTS)). Departing from Sacramento the average ATFM delay is 2.0 minutes.
Heading to Ontario: what to expect in this direction
Flying from Sacramento (SMF) to Ontario (ONT) heads south-east for about 627 km, a flight time of roughly 1h 12m.
Departures from Sacramento on this leg cluster in the overnight window: about 41% of SMF-ONT flights take off then.
Air-traffic congestion: departing Sacramento the average ATFM delay is 2.0 min (atfm); arriving into Ontario it is 2.0 min (airspace/NAS (BTS)).
Across 661 tracked SMF-ONT flights, 84% left on time with an average delay of 6 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 |
|---|---|---|---|
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating SMF-ONT
Airports
Frequently asked questions about SMF-ONT
On the Sacramento (SMF) -> Ontario (ONT) route, on-time performance is 84% with an average delay of 6 minutes, based on 661 tracked flights.
The cancellation rate on Sacramento-Ontario is 0.00% across 661 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 Ontario, 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.
