Airport Tips & Quick Reference Guide to Phoenix International Airport (PHX)

WN556 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN556, 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 Sunday, April 12, 2026.

WN556 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

WN556 Southwest Airlines from Ontario

Landed - Delayed
Delay: 23 minutes
Flight Status for Sunday April 12, 2026
This flight is also scheduled for Tomorrow (April 13, 2026). See it here

Airline information

Southwest Airlines
Southwest Airlines
Equipment: Boeing 737MAX 8 Passenger

Departure

Ontario (ONT)
April 12, 2026
Ontario International Airport
Departed at:
04:27 pm
Terminal:
4
Gate:
407
Scheduled Departure Time: 03:50 pm

Arrival

Phoenix (PHX)
April 12, 2026
Phoenix Sky Harbor International Airport
Arrived at:
05:33 pm
Terminal:
4
Gate:
C19
Scheduled Arrival Time: 05:10 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.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 WN556?
The flight WN556 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight WN556?
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: 100 - Average Delay: 2 minutes)
- Flight Number: 5X850. (On Time performance: 66 - Average Delay: 11 minutes)

American Airlines
- Flight Number: AA1194.
- Flight Number: AA1423. (On Time performance: 98 - Average Delay: 1 minutes)
- Flight Number: AA1591. (On Time performance: 92 - Average Delay: 9 minutes)
- Flight Number: AA1666. (On Time performance: 79 - Average Delay: 15 minutes)
- Flight Number: AA2463.
- Flight Number: AA3016. (On Time performance: 81 - Average Delay: 32 minutes)
- Flight Number: AA3139. (On Time performance: 81 - Average Delay: 10 minutes)
- Flight Number: AA4143.

Southwest Airlines
- Flight Number: WN1474.
- Flight Number: WN2534. (On Time performance: 80 - Average Delay: 21 minutes)
- Flight Number: WN257. (On Time performance: 82 - Average Delay: 6 minutes)
- Flight Number: WN2713. (On Time performance: 75 - Average Delay: 15 minutes)
- Flight Number: WN2956.
- Flight Number: WN313. (On Time performance: 96 - Average Delay: 4 minutes)
- Flight Number: WN3325. (On Time performance: 87 - Average Delay: 12 minutes)
- Flight Number: WN3341. (On Time performance: 88 - Average Delay: 4 minutes)
- Flight Number: WN3452. (On Time performance: 88 - Average Delay: 13 minutes)
- Flight Number: WN3664. (On Time performance: 96 - Average Delay: 3 minutes)
- Flight Number: WN3865. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: WN4073. (On Time performance: 73 - Average Delay: 13 minutes)
- Flight Number: WN4138. (On Time performance: 93 - Average Delay: 5 minutes)
- Flight Number: WN4392. (On Time performance: 69 - Average Delay: 8 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: 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 WN556

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
10 April
12:58 pm
Ontario (ONT)
02:15 pm
Phoenix (PHX)
01h 17min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Thursday
09 April
12:35 pm
Ontario (ONT)
01:57 pm
Phoenix (PHX)
01h 22min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Wednesday
08 April
12:33 pm
Ontario (ONT)
01:43 pm
Phoenix (PHX)
01h 10min
Boeing 737-700
Boeing 737-700
Landed - On-time
Tuesday
07 April
01:01 pm
Ontario (ONT)
02:13 pm
Phoenix (PHX)
01h 12min
Boeing 737-700
Boeing 737-700
Landed - On-time