Airport Tips & Quick Reference Guide to San Diego Airport (SAN)

WN4187 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN4187, which currently operates between the airports of San Diego - San Diego International Airport (Airport Code SAN) and Sacramento - Sacramento International Airport (Airport Code SMF).
This flight data pertains specifically to the flight's details for Tuesday, June 09, 2026.

WN4187 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

WN4187 Southwest Airlines to Sacramento

This flight is not scheduled for June 09, 2026.

Airline information

Southwest Airlines
Southwest Airlines

Departure

San Diego (SAN)
June 07, 2026
San Diego International Airport

Arrival

Sacramento (SMF)
June 07, 2026
Sacramento International Airport
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 WN4187?
The flight WN4187 is scheduled to flight on Monday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight WN4187?
The distance between the two airports is 480 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 Sacramento:

Alaska Airlines
- Flight Number: AS2285. (On Time performance: 83 - Average Delay: 11 minutes)
- Flight Number: AS3026. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: AS3029. (On Time performance: 82 - Average Delay: 12 minutes)
- Flight Number: AS3349. (On Time performance: 81 - Average Delay: 14 minutes)
- Flight Number: AS3410. (On Time performance: 74 - Average Delay: 8 minutes)
- Flight Number: AS3439. (On Time performance: 78 - Average Delay: 16 minutes)

Southwest Airlines
- Flight Number: WN1716. (On Time performance: 71 - Average Delay: 13 minutes)
- Flight Number: WN2489. (On Time performance: 73 - Average Delay: 15 minutes)
- Flight Number: WN3544.
- Flight Number: WN3547.
- Flight Number: WN3549.
- Flight Number: WN3550.
- Flight Number: WN3551.
- Flight Number: WN3623. (On Time performance: 79 - Average Delay: 11 minutes)
- Flight Number: WN3863. (On Time performance: 81 - Average Delay: 10 minutes)
- Flight Number: WN4126. (On Time performance: 91 - Average Delay: 5 minutes)
- Flight Number: WN4127. (On Time performance: 91 - Average Delay: 6 minutes)
- Flight Number: WN4129. (On Time performance: 77 - Average Delay: 12 minutes)
- Flight Number: WN4130. (On Time performance: 42 - Average Delay: 20 minutes)
- Flight Number: WN4131. (On Time performance: 75 - Average Delay: 13 minutes)
- Flight Number: WN4132. (On Time performance: 63 - Average Delay: 20 minutes)
- Flight Number: WN4134. (On Time performance: 58 - Average Delay: 20 minutes)
- Flight Number: WN4135. (On Time performance: 31 - Average Delay: 29 minutes)
- Flight Number: WN4356.
- Flight Number: WN4464.
- Flight Number: WN4552.

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: We have gathered available data from last twelve closed months, spanning from August 05, 2025 to October 01, 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.

Last Past Flights WN4187

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
08 June
09:33 am
San Diego (SAN)
11:03 am
Sacramento (SMF)
01h 30min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Sunday
07 June
08:30 am
San Diego (SAN)
10:02 am
Sacramento (SMF)
01h 32min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
05 June
09:21 am
San Diego (SAN)
10:58 am
Sacramento (SMF)
01h 37min
Boeing 737-800
Boeing 737-800
Landed - On-time
Thursday
04 June
09:17 am
San Diego (SAN)
11:03 am
Sacramento (SMF)
01h 46min
Boeing 737-800
Boeing 737-800
Landed - On-time