WN4377 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN4377, which currently operates between the airports of San Diego - San Diego International Airport (Airport Code SAN) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Thursday, March 12, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN4377
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN4377
WN4377 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
WN4377 Southwest Airlines to San Francisco
Landed - On-time
Flight Status for Thursday March 12, 2026
Landed - On-time
Flight Status for Thursday March 12, 2026
Departure
San Diego (SAN)
March 12, 2026
San Diego International Airport
Departed at:
06:48 am
Terminal:
1
Gate:
109
Scheduled Departure Time: 07:00 am
Arrival
San Francisco (SFO)
March 12, 2026
San Francisco International Airport
Arrived at:
08:35 am
Terminal:
2
Gate:
D1
Scheduled Arrival Time: 08:50 am
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.san-diego-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Additional Information
Which is the frequency of flight WN4377?
The flight WN4377 is scheduled to flight on daily basis.
Which is the distance of flight WN4377?
The distance between the two airports is 447 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight WN4377 is scheduled to flight on daily basis.
Which is the distance of flight WN4377?
The distance between the two airports is 447 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
Alternative Flights
The following airlines serves the same route between San Diego and San Francisco:
Alaska Airlines
- Flight Number: AS2112. (On Time performance: 63 - Average Delay: 17 minutes)
- Flight Number: AS2173. (On Time performance: 74 - Average Delay: 10 minutes)
- Flight Number: AS2235.
- Flight Number: AS2313.
- Flight Number: AS2466. (On Time performance: 73 - Average Delay: 17 minutes)
- Flight Number: AS3264. (On Time performance: 75 - Average Delay: 14 minutes)
- Flight Number: AS3376. (On Time performance: 74 - Average Delay: 11 minutes)
- Flight Number: AS3482. (On Time performance: 72 - Average Delay: 32 minutes)
- Flight Number: AS3489.
United Airlines
- Flight Number: UA1302. (On Time performance: 90 - Average Delay: -4 minutes)
- Flight Number: UA1721. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: UA1763. (On Time performance: 90 - Average Delay: 7 minutes)
- Flight Number: UA2117. (On Time performance: 70 - Average Delay: 23 minutes)
- Flight Number: UA2163. (On Time performance: 81 - Average Delay: 14 minutes)
- Flight Number: UA2274.
- Flight Number: UA2278. (On Time performance: 70 - Average Delay: 25 minutes)
- Flight Number: UA2309. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: UA2320.
- Flight Number: UA2428.
- Flight Number: UA259.
- Flight Number: UA2863. (On Time performance: 64 - Average Delay: 15 minutes)
Southwest Airlines
- Flight Number: WN1021. (On Time performance: 83 - Average Delay: 11 minutes)
- Flight Number: WN1034. (On Time performance: 73 - Average Delay: 14 minutes)
- Flight Number: WN1407.
- Flight Number: WN1438. (On Time performance: 85 - Average Delay: 7 minutes)
- Flight Number: WN1826.
- Flight Number: WN3119.
- Flight Number: WN3402. (On Time performance: 95 - Average Delay: 4 minutes)
- Flight Number: WN3421. (On Time performance: 65 - Average Delay: 185 minutes)
- Flight Number: WN4003. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN4005. (On Time performance: 86 - Average Delay: 20 minutes)
- Flight Number: WN4007. (On Time performance: 63 - Average Delay: 33 minutes)
- Flight Number: WN4010. (On Time performance: 89 - Average Delay: 6 minutes)
- Flight Number: WN4012. (On Time performance: 79 - Average Delay: 11 minutes)
- Flight Number: WN4023. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN4028. (On Time performance: 75 - Average Delay: 14 minutes)
- Flight Number: WN4036. (On Time performance: 50 - Average Delay: 30 minutes)
- Flight Number: WN4629. (On Time performance: 48 - Average Delay: 36 minutes)
- Flight Number: WN4634.
- Flight Number: WN956. (On Time performance: 75 - Average Delay: 14 minutes)
Alaska Airlines
- Flight Number: AS2112. (On Time performance: 63 - Average Delay: 17 minutes)
- Flight Number: AS2173. (On Time performance: 74 - Average Delay: 10 minutes)
- Flight Number: AS2235.
- Flight Number: AS2313.
- Flight Number: AS2466. (On Time performance: 73 - Average Delay: 17 minutes)
- Flight Number: AS3264. (On Time performance: 75 - Average Delay: 14 minutes)
- Flight Number: AS3376. (On Time performance: 74 - Average Delay: 11 minutes)
- Flight Number: AS3482. (On Time performance: 72 - Average Delay: 32 minutes)
- Flight Number: AS3489.
United Airlines
- Flight Number: UA1302. (On Time performance: 90 - Average Delay: -4 minutes)
- Flight Number: UA1721. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: UA1763. (On Time performance: 90 - Average Delay: 7 minutes)
- Flight Number: UA2117. (On Time performance: 70 - Average Delay: 23 minutes)
- Flight Number: UA2163. (On Time performance: 81 - Average Delay: 14 minutes)
- Flight Number: UA2274.
- Flight Number: UA2278. (On Time performance: 70 - Average Delay: 25 minutes)
- Flight Number: UA2309. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: UA2320.
- Flight Number: UA2428.
- Flight Number: UA259.
- Flight Number: UA2863. (On Time performance: 64 - Average Delay: 15 minutes)
Southwest Airlines
- Flight Number: WN1021. (On Time performance: 83 - Average Delay: 11 minutes)
- Flight Number: WN1034. (On Time performance: 73 - Average Delay: 14 minutes)
- Flight Number: WN1407.
- Flight Number: WN1438. (On Time performance: 85 - Average Delay: 7 minutes)
- Flight Number: WN1826.
- Flight Number: WN3119.
- Flight Number: WN3402. (On Time performance: 95 - Average Delay: 4 minutes)
- Flight Number: WN3421. (On Time performance: 65 - Average Delay: 185 minutes)
- Flight Number: WN4003. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN4005. (On Time performance: 86 - Average Delay: 20 minutes)
- Flight Number: WN4007. (On Time performance: 63 - Average Delay: 33 minutes)
- Flight Number: WN4010. (On Time performance: 89 - Average Delay: 6 minutes)
- Flight Number: WN4012. (On Time performance: 79 - Average Delay: 11 minutes)
- Flight Number: WN4023. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN4028. (On Time performance: 75 - Average Delay: 14 minutes)
- Flight Number: WN4036. (On Time performance: 50 - Average Delay: 30 minutes)
- Flight Number: WN4629. (On Time performance: 48 - Average Delay: 36 minutes)
- Flight Number: WN4634.
- Flight Number: WN956. (On Time performance: 75 - Average Delay: 14 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights WN4377
Date
Departure
Arrival
Duration
Aircraft
Status
Monday
09 March
09 March
06:58 am
San Diego (SAN)
San Diego (SAN)
08:21 am
San Francisco (SFO)
San Francisco (SFO)
01h 23min
Boeing 737-700
Boeing 737-700
Landed - On-time
Friday
06 March
06 March
06:57 am
San Diego (SAN)
San Diego (SAN)
08:52 am
San Francisco (SFO)
San Francisco (SFO)
01h 55min
Boeing 737-700
Boeing 737-700
Landed - On-time
Thursday
05 March
05 March
06:55 am
San Diego (SAN)
San Diego (SAN)
08:55 am
San Francisco (SFO)
San Francisco (SFO)
02h 00min
Boeing 737-700
Boeing 737-700
Landed - On-time
