| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 04 | SAN | BWI | 21:14 | 04:35 |
Landed
|
Track > |
| Aug 03 | SAN | BWI | 21:11 | 04:27 |
Landed
|
Track > |
| Aug 02 | SAN | BWI | 21:09 | 04:35 |
Landed
|
Track > |
| Aug 01 | SAN | BWI | 21:48 | 05:05 |
Landed
|
Track > |
| Jul 31 | SAN | BWI | 21:45 | 05:04 |
Landed
|
Track > |
| Jul 30 | SAN | BWI | 21:06 | 04:32 |
Landed
|
Track > |
| Jul 29 | SAN | BWI | 21:15 | 04:43 |
Landed
|
Track > |
| Jul 28 | SAN | BWI | 21:01 | 04:37 |
Landed
|
Track > |
| Jul 27 | SAN | BWI | 21:25 | 05:00 |
Landed
|
Track > |
| Jul 26 | SAN | BWI | 21:19 | 04:49 |
Landed
|
Track > |
Southwest Airlines Flight WN4378 connects San Diego, United States to Baltimore, United States, taking off from San Diego International Airport SAN and landing at Baltimore Washington International Airport BWI.
How long is the WN4378 flight from San Diego to Baltimore?
The average flight time from San Diego to Baltimore is 4 hours and 25 minutes. The flight distance is 3685 km / 2290 miles and the average flight speed is 834 km/h / 518 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4378 San Diego to Baltimore?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4378 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4378 arriving at?
Flight WN4378 arrives at Baltimore Washington International Airport (BWI) Terminal 3.
When was the latest WN4378 flight?
The latest flight took off on Tuesday, August 5th, 2025 with the flight status being Landed on 04:35.
How else can the flight WN4378 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4378, WN 4378, SWA 4378.
How often is flight WN4378 delayed?
On average, 20% of all WN4378 flights are delayed. The average delay is 4 minutes.
Can I get compensation for my delayed or cancelled WN4378 flight or baggage issues?
If your WN4378 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 WN4378 Flight Tracker above for more details.
Other flights departing from San Diego SAN: WN271, WN2431, WN2705, WN486
Other flights arriving at Baltimore BWI: WN4476, WN3574, WN2234, WN2240
All flights connecting San Diego SAN to Baltimore BWI.
