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

WN3900 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN3900, which currently operates between the airports of San Diego - San Diego International Airport (Airport Code SAN) and Tucson - Tucson International Airport (Airport Code TUS).
This flight data pertains specifically to the flight's details for Wednesday, June 03, 2026.

WN3900 On Time performance:
25
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

WN3900 Southwest Airlines to Tucson

This flight is not scheduled for June 09, 2026.

Airline information

Southwest Airlines
Southwest Airlines

Departure

San Diego (SAN)
June 03, 2026
San Diego International Airport

Arrival

Tucson (TUS)
June 03, 2026
Tucson 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 WN3900?
The flight WN3900 is scheduled to flight on Tuesday, Wednesday on a weekly basis.

Which is the distance of flight WN3900?
The distance between the two airports is 368 miles.

Which is the flight time of flight WN3900?
The scheduled flight time gate to gate is: 01:25 hours.
The real flight time gate to gate on average is: 01:18 hours.

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

Alternative Flights

The following airline serve the same route between San Diego and Tucson:
Southwest Airlines - Flight Number: WN3555.

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from April 07, 2026 to May 27, 2026, we have obtained these figures.
Total number of flights: 16
On Time: 4 ( 25 % )
Moderate Delay: 1 ( 6 % )
Significant Delay: 6 ( 38 % )
Major Delay: 5 ( 31 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 41 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from April 07, 2026 to May 27, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from April 07, 2026 to May 27, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights WN3900

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
03 June
01:23 pm
San Diego (SAN)
02:40 pm
Tucson (TUS)
01h 17min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Tuesday
02 June
12:35 pm
San Diego (SAN)
01:54 pm
Tucson (TUS)
01h 19min
Boeing 737-700
Boeing 737-700
Landed - On-time
Wednesday
27 May
12:34 pm
San Diego (SAN)
01:34 pm
Tucson (TUS)
01h 00min
Boeing 737-700
Boeing 737-700
Landed - On-time
Tuesday
26 May
01:06 pm
San Diego (SAN)
02:23 pm
Tucson (TUS)
01h 17min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Wednesday
20 May
12:12 pm
San Diego (SAN)
01:32 pm
Tucson (TUS)
01h 20min
Boeing 737-700
Boeing 737-700
Landed - On-time
Tuesday
19 May
12:34 pm
San Diego (SAN)
01:49 pm
Tucson (TUS)
01h 15min
Boeing 737-700
Boeing 737-700
Landed - On-time
Wednesday
13 May
12:15 pm
San Diego (SAN)
01:30 pm
Tucson (TUS)
01h 15min
Boeing 737-700
Boeing 737-700
Landed - On-time
Tuesday
12 May
01:25 pm
San Diego (SAN)
02:52 pm
Tucson (TUS)
01h 27min
Boeing 737-700
Boeing 737-700
Landed - Delayed