| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 06 | BWI | ONT | 11:31 | 13:51 |
Landed
|
Track > |
| Apr 05 | BWI | ONT | 15:42 | 17:57 |
Landed
|
Track > |
| Apr 03 | BWI | ONT | 11:59 | 14:22 |
Landed Late
|
Track > |
| Apr 02 | BWI | ONT | 11:38 | 13:49 |
Landed
|
Track > |
| Apr 01 | BWI | ONT | 20:37 | 22:51 |
Delayed
|
Track > |
| Mar 31 | BWI | ONT | 20:03 | 22:34 |
Landed Late
|
Track > |
| Mar 30 | BWI | ONT | 11:31 | 13:35 |
Landed
|
Track > |
| Mar 29 | BWI | ONT | 15:38 | 17:49 |
Landed
|
Track > |
| Mar 27 | BWI | ONT | 11:58 | 14:06 |
Landed
|
Track > |
| Mar 26 | BWI | ONT | 11:35 | 13:40 |
Landed
|
Track > |
Southwest Airlines Flight WN1278 connects Baltimore, United States to Ontario, United States, taking off from Baltimore Washington International Airport BWI and landing at Ontario International Airport ONT.
How long is the WN1278 flight from Baltimore to Ontario?
The average flight time from Baltimore to Ontario is 5 hours and 14 minutes. The flight distance is 3666 km / 2278 miles and the average flight speed is 700 km/h / 435 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1278 Baltimore to Ontario?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1278 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN1278 arriving at?
Flight WN1278 arrives at Ontario International Airport (ONT) Terminal 4.
When was the latest WN1278 flight?
The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 13:51.
How else can the flight WN1278 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1278, WN 1278, SWA 1278.
How often is flight WN1278 delayed?
On average, 50% of all WN1278 flights are delayed. The average delay is 30 minutes.
Can I get compensation for my delayed or cancelled WN1278 flight or baggage issues?
If your WN1278 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 WN1278 Flight Tracker above for more details.
Other flights departing from Baltimore BWI: WN3948, WN3465, WN3261, WN889
Other flights arriving at Ontario ONT: WN1058, WN3123, AA2635, WN4490
All flights connecting Baltimore BWI to Ontario ONT.