WN3877 Southwest Airlines - Flight Status

Which is the frequency of flight WN3877?
The flight WN3877 is scheduled to flight on daily basis.

Which is the distance of flight WN3877?
The distance between the two airports is 651 miles.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

The following airlines serves the same route between San Francisco and Phoenix:

American Airlines
- Flight Number: AA1459. (On Time performance: 82 - Average Delay: 13 minutes)
- Flight Number: AA1860. (On Time performance: 78 - Average Delay: 11 minutes)
- Flight Number: AA2114. (On Time performance: 78 - Average Delay: 21 minutes)
- Flight Number: AA2249. (On Time performance: 97 - Average Delay: 26 minutes)
- Flight Number: AA2411. (On Time performance: 83 - Average Delay: 40 minutes)
- Flight Number: AA2414. (On Time performance: 67 - Average Delay: 6 minutes)
- Flight Number: AA2610. (On Time performance: 87 - Average Delay: 7 minutes)
- Flight Number: AA2813. (On Time performance: 44 - Average Delay: 53 minutes)
- Flight Number: AA6404. (On Time performance: 91 - Average Delay: 5 minutes)

Frontier Airlines
- Flight Number: F91192. (On Time performance: 76 - Average Delay: 19 minutes)
- Flight Number: F91316. (On Time performance: 67 - Average Delay: 22 minutes)
- Flight Number: F92638. (On Time performance: 71 - Average Delay: 60 minutes)

United Airlines
- Flight Number: UA1147. (On Time performance: 86 - Average Delay: 6 minutes)
- Flight Number: UA1375. (On Time performance: 93 - Average Delay: 6 minutes)
- Flight Number: UA2374. (On Time performance: 96 - Average Delay: 3 minutes)
- Flight Number: UA500. (On Time performance: 56 - Average Delay: 29 minutes)
- Flight Number: UA5533. (On Time performance: 94 - Average Delay: 2 minutes)
- Flight Number: UA5662. (On Time performance: 94 - Average Delay: 6 minutes)
- Flight Number: UA574. (On Time performance: 81 - Average Delay: 16 minutes)
- Flight Number: UA5811. (On Time performance: 74 - Average Delay: 10 minutes)

Southwest Airlines
- Flight Number: WN2010. (On Time performance: 22 - Average Delay: 29 minutes)
- Flight Number: WN2653. (On Time performance: 57 - Average Delay: 32 minutes)
- Flight Number: WN3738. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN4160. (On Time performance: 20 - Average Delay: 35 minutes)
- Flight Number: WN4184. (On Time performance: 79 - Average Delay: 9 minutes)
- Flight Number: WN4432. (On Time performance: 46 - Average Delay: 21 minutes)

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: We have gathered available data from last twelve closed months, spanning from April 08, 2025 to September 29, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.