Airport Tips & Quick Reference Guide to Ontario Airport (ONT)

WN3904 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN3904, which currently operates between the airports of Phoenix - Phoenix Sky Harbor International Airport (Airport Code PHX) and Ontario - Ontario International Airport (Airport Code ONT).
This flight data pertains specifically to the flight's details for Friday, August 14, 2026.

WN3904 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

WN3904 Southwest Airlines from Phoenix

Scheduled
Flight Status for Friday August 14, 2026
This flight was also scheduled for Yesterday (August 13, 2026). See it here

Airline information

Southwest Airlines
Southwest Airlines
Equipment: Boeing 737-800 (Scimitar Winglets) Passenger

Departure

Phoenix (PHX)
August 14, 2026
Phoenix Sky Harbor International Airport
Scheduled Departure Time:
07:30 pm
Terminal:
4
Gate:
D17
Scheduled Departure Time: 07:30 pm

Arrival

Ontario (ONT)
August 14, 2026
Ontario International Airport
Scheduled Arrival Time:
08:40 pm
Terminal:
4
Gate:
-
Scheduled Arrival Time: 08:40 pm
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.ontario-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 WN3904?
The flight WN3904 is scheduled to flight on Monday, Thursday, Friday on a weekly basis.

Which is the distance of flight WN3904?
The distance between the two airports is 325 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 Phoenix and Ontario:

UPS
- Flight Number: 5X2859. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: 5X849. (On Time performance: 92 - Average Delay: 4 minutes)
- Flight Number: 5X887. (On Time performance: 79 - Average Delay: 11 minutes)
- Flight Number: 5X920. (On Time performance: 100 - Average Delay: 4 minutes)

American Airlines
- Flight Number: AA1238. (On Time performance: 66 - Average Delay: 34 minutes)
- Flight Number: AA1666. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: AA2244. (On Time performance: 76 - Average Delay: 18 minutes)
- Flight Number: AA2639. (On Time performance: 59 - Average Delay: 33 minutes)
- Flight Number: AA2661. (On Time performance: 86 - Average Delay: 47 minutes)
- Flight Number: AA6455.

Southwest Airlines
- Flight Number: WN149. (On Time performance: 81 - Average Delay: 6 minutes)
- Flight Number: WN1516.
- Flight Number: WN223. (On Time performance: 67 - Average Delay: 25 minutes)
- Flight Number: WN239.
- Flight Number: WN2603. (On Time performance: 69 - Average Delay: 19 minutes)
- Flight Number: WN2862. (On Time performance: 37 - Average Delay: 38 minutes)
- Flight Number: WN3185.
- Flight Number: WN3206. (On Time performance: 44 - Average Delay: 26 minutes)
- Flight Number: WN3236. (On Time performance: 86 - Average Delay: 4 minutes)
- Flight Number: WN3313. (On Time performance: 24 - Average Delay: 36 minutes)
- Flight Number: WN4113. (On Time performance: 60 - Average Delay: 10 minutes)
- Flight Number: WN431. (On Time performance: 85 - Average Delay: 6 minutes)
- Flight Number: WN670. (On Time performance: 73 - Average Delay: 11 minutes)
- Flight Number: WN692.
- Flight Number: WN759. (On Time performance: 93 - Average Delay: 3 minutes)
- Flight Number: WN982.

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

Last Past Flights WN3904

Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
13 August
07:42 pm
Phoenix (PHX)
08:39 pm
Ontario (ONT)
00h 57min
Boeing 737-800
Boeing 737-800
Landed - On-time
Monday
10 August
08:07 pm
Phoenix (PHX)
09:12 pm
Ontario (ONT)
01h 05min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Friday
07 August
07:40 pm
Phoenix (PHX)
08:43 pm
Ontario (ONT)
01h 03min
Boeing 737-800
Boeing 737-800
Landed - On-time
Thursday
06 August
08:30 pm
Phoenix (PHX)
09:29 pm
Ontario (ONT)
00h 59min
Boeing 737-800
Boeing 737-800
Landed - Delayed