WN503 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN503, which currently operates between the airports of Ontario - Ontario International Airport (Airport Code ONT) and Phoenix - Phoenix Sky Harbor International Airport (Airport Code PHX).
This flight data pertains specifically to the flight's details for Wednesday, August 05, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN503
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN503
WN503 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
WN503 Southwest Airlines from Ontario
Landed - On-time
Delay: 6 minutes
Flight Status for Wednesday August 05, 2026
This flight was also scheduled for Yesterday (August 04, 2026). See it here
Landed - On-time
Delay: 6 minutes
Flight Status for Wednesday August 05, 2026
Airline information
Southwest Airlines
Equipment: Boeing 737MAX 8 Passenger
Departure
Ontario (ONT)
August 05, 2026
Ontario International Airport
Departed at:
06:38 am
Terminal:
4
Gate:
402
Scheduled Departure Time: 06:40 am
Arrival
Phoenix (PHX)
August 05, 2026
Phoenix Sky Harbor International Airport
Arrived at:
08:11 am
Terminal:
4
Gate:
C9
Scheduled Arrival Time: 08:05 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.phoenix-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 WN503?
The flight WN503 is currently not scheduled at Phoenix Airport (PHX).
Which is the distance of flight WN503?
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.
The flight WN503 is currently not scheduled at Phoenix Airport (PHX).
Which is the distance of flight WN503?
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 Ontario and Phoenix:
UPS
- Flight Number: 5X5917. (On Time performance: 82 - Average Delay: 9 minutes)
- Flight Number: 5X850. (On Time performance: 38 - Average Delay: 24 minutes)
American Airlines
- Flight Number: AA1194. (On Time performance: 96 - Average Delay: 35 minutes)
- Flight Number: AA2244. (On Time performance: 84 - Average Delay: 23 minutes)
- Flight Number: AA2639. (On Time performance: 64 - Average Delay: 28 minutes)
Southwest Airlines
- Flight Number: WN1450. (On Time performance: 75 - Average Delay: 6 minutes)
- Flight Number: WN2051. (On Time performance: 25 - Average Delay: 64 minutes)
- Flight Number: WN2789. (On Time performance: 57 - Average Delay: 17 minutes)
- Flight Number: WN3062. (On Time performance: 85 - Average Delay: 6 minutes)
- Flight Number: WN3159. (On Time performance: 69 - Average Delay: 15 minutes)
- Flight Number: WN3160. (On Time performance: 43 - Average Delay: 33 minutes)
- Flight Number: WN3585. (On Time performance: 45 - Average Delay: 18 minutes)
- Flight Number: WN3805. (On Time performance: 88 - Average Delay: 11 minutes)
- Flight Number: WN4421. (On Time performance: 92 - Average Delay: 2 minutes)
- Flight Number: WN4460. (On Time performance: 86 - Average Delay: 4 minutes)
- Flight Number: WN4538. (On Time performance: 42 - Average Delay: 25 minutes)
- Flight Number: WN864. (On Time performance: 100 - Average Delay: 1 minutes)
UPS
- Flight Number: 5X5917. (On Time performance: 82 - Average Delay: 9 minutes)
- Flight Number: 5X850. (On Time performance: 38 - Average Delay: 24 minutes)
American Airlines
- Flight Number: AA1194. (On Time performance: 96 - Average Delay: 35 minutes)
- Flight Number: AA2244. (On Time performance: 84 - Average Delay: 23 minutes)
- Flight Number: AA2639. (On Time performance: 64 - Average Delay: 28 minutes)
Southwest Airlines
- Flight Number: WN1450. (On Time performance: 75 - Average Delay: 6 minutes)
- Flight Number: WN2051. (On Time performance: 25 - Average Delay: 64 minutes)
- Flight Number: WN2789. (On Time performance: 57 - Average Delay: 17 minutes)
- Flight Number: WN3062. (On Time performance: 85 - Average Delay: 6 minutes)
- Flight Number: WN3159. (On Time performance: 69 - Average Delay: 15 minutes)
- Flight Number: WN3160. (On Time performance: 43 - Average Delay: 33 minutes)
- Flight Number: WN3585. (On Time performance: 45 - Average Delay: 18 minutes)
- Flight Number: WN3805. (On Time performance: 88 - Average Delay: 11 minutes)
- Flight Number: WN4421. (On Time performance: 92 - Average Delay: 2 minutes)
- Flight Number: WN4460. (On Time performance: 86 - Average Delay: 4 minutes)
- Flight Number: WN4538. (On Time performance: 42 - Average Delay: 25 minutes)
- Flight Number: WN864. (On Time performance: 100 - Average Delay: 1 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: We have gathered available data from last twelve closed months, spanning from November 03, 2025 to January 01, 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.
Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.
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 November 03, 2025 to January 01, 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 WN503
Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
04 August
04 August
06:36 am
Ontario (ONT)
Ontario (ONT)
08:07 am
Phoenix (PHX)
Phoenix (PHX)
01h 31min
Boeing 737MAX
Boeing 737MAX
Landed - On-time