| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | SMF | ONT | 06:32 | 07:32 |
Landed
|
Track > |
| Jan 04 | SMF | ONT | 06:26 | 07:30 |
Landed
|
Track > |
| Jan 03 | SMF | ONT | 06:08 | 07:10 |
Landed
|
Track > |
| Jan 02 | SMF | ONT | 06:15 | 07:14 |
Landed
|
Track > |
| Jan 01 | SMF | ONT | 14:32 | 13:15 |
Unknown
|
Track > |
| Dec 31 | SMF | ONT | 12:01 | 13:03 |
Landed
|
Track > |
| Dec 30 | SMF | ONT | 07:28 | 08:31 |
Landed Late
|
Track > |
| Dec 29 | SMF | ONT | 06:21 | 07:28 |
Landed
|
Track > |
| Dec 28 | SMF | ONT | 06:27 | 07:29 |
Landed
|
Track > |
| Dec 27 | SMF | ONT | 07:36 | 08:42 |
Delayed
|
Track > |
Southwest Airlines Flight WN3977 connects Sacramento, United States to Ontario, United States, taking off from Sacramento International Airport SMF and landing at Ontario International Airport ONT.
How long is the WN3977 flight from Sacramento to Ontario?
The average flight time from Sacramento to Ontario is 1 hour and 2 minutes. The flight distance is 627 km / 390 miles and the average flight speed is 585 km/h / 363 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3977 Sacramento to Ontario?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3977 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3977 arriving at?
Flight WN3977 arrives at Ontario International Airport (ONT) Terminal 4.
When was the latest WN3977 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 07:32.
How else can the flight WN3977 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3977, WN 3977, SWA 3977.
How often is flight WN3977 delayed?
On average, 20% of all WN3977 flights are delayed. The average delay is 64 minutes.
Can I get compensation for my delayed or cancelled WN3977 flight or baggage issues?
If your WN3977 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our WN3977 Flight Tracker above for more details.
Other flights departing from Sacramento SMF: WN343, WN2542, WN1334, WN2860
Other flights arriving at Ontario ONT: F91405, WN2571, WN3809, WN3234
All flights connecting Sacramento SMF to Ontario ONT.