WN4851 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN4851, 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 Friday, February 20, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN4851
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN4851
WN4851 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
WN4851 Southwest Airlines from Ontario
Scheduled - On-time
Flight Status for Friday February 20, 2026
This flight is also scheduled for Tomorrow (February 21, 2026). See it here
Scheduled - On-time
Flight Status for Friday February 20, 2026
Airline information
Southwest Airlines
Equipment: Boeing 737-700 Passenger (Scimitar Winglets)
Departure
Ontario (ONT)
February 20, 2026
Ontario International Airport
Estimated Departure Time:
11:50 am
Terminal:
4
Gate:
404
Scheduled Departure Time: 11:50 am
Arrival
Phoenix (PHX)
February 20, 2026
Phoenix Sky Harbor International Airport
Estimated Arrival Time:
02:05 pm
Terminal:
4
Gate:
D14
Scheduled Arrival Time: 02:05 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 WN4851?
The flight WN4851 is scheduled to flight on Monday, Thursday, Friday on a weekly basis.
Which is the distance of flight WN4851?
The distance between the two airports is 325 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Ontario: 2026-02-20 06:08:22
Current Time in Phoenix: 2026-02-20 07:08:22
The flight WN4851 is scheduled to flight on Monday, Thursday, Friday on a weekly basis.
Which is the distance of flight WN4851?
The distance between the two airports is 325 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Ontario: 2026-02-20 06:08:22
Current Time in Phoenix: 2026-02-20 07:08:22
Alternative Flights
The following airlines serves the same route between Ontario and Phoenix:
UPS
- Flight Number: 5X850. (On Time performance: 71 - Average Delay: 10 minutes)
American Airlines
- Flight Number: AA1423. (On Time performance: 87 - Average Delay: 5 minutes)
- Flight Number: AA1591. (On Time performance: 86 - Average Delay: 17 minutes)
- Flight Number: AA1666. (On Time performance: 63 - Average Delay: 19 minutes)
- Flight Number: AA2235. (On Time performance: 74 - Average Delay: 15 minutes)
- Flight Number: AA3016. (On Time performance: 78 - Average Delay: 9 minutes)
- Flight Number: AA3139. (On Time performance: 75 - Average Delay: 20 minutes)
- Flight Number: AA3157. (On Time performance: 75 - Average Delay: 9 minutes)
- Flight Number: AA946. (On Time performance: 89 - Average Delay: 7 minutes)
Southwest Airlines
- Flight Number: WN1869.
- Flight Number: WN2388. (On Time performance: 92 - Average Delay: 15 minutes)
- Flight Number: WN3034. (On Time performance: 95 - Average Delay: 3 minutes)
- Flight Number: WN3037.
- Flight Number: WN3038. (On Time performance: 85 - Average Delay: 45 minutes)
- Flight Number: WN4680. (On Time performance: 83 - Average Delay: 18 minutes)
- Flight Number: WN704. (On Time performance: 100 - Average Delay: 1 minutes)
UPS
- Flight Number: 5X850. (On Time performance: 71 - Average Delay: 10 minutes)
American Airlines
- Flight Number: AA1423. (On Time performance: 87 - Average Delay: 5 minutes)
- Flight Number: AA1591. (On Time performance: 86 - Average Delay: 17 minutes)
- Flight Number: AA1666. (On Time performance: 63 - Average Delay: 19 minutes)
- Flight Number: AA2235. (On Time performance: 74 - Average Delay: 15 minutes)
- Flight Number: AA3016. (On Time performance: 78 - Average Delay: 9 minutes)
- Flight Number: AA3139. (On Time performance: 75 - Average Delay: 20 minutes)
- Flight Number: AA3157. (On Time performance: 75 - Average Delay: 9 minutes)
- Flight Number: AA946. (On Time performance: 89 - Average Delay: 7 minutes)
Southwest Airlines
- Flight Number: WN1869.
- Flight Number: WN2388. (On Time performance: 92 - Average Delay: 15 minutes)
- Flight Number: WN3034. (On Time performance: 95 - Average Delay: 3 minutes)
- Flight Number: WN3037.
- Flight Number: WN3038. (On Time performance: 85 - Average Delay: 45 minutes)
- Flight Number: WN4680. (On Time performance: 83 - Average Delay: 18 minutes)
- Flight Number: WN704. (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: 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
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 WN4851
Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
17 February
17 February
02:57 pm
Baltimore (BWI)
Baltimore (BWI)
06:38 pm
Phoenix (PHX)
Phoenix (PHX)
02h 41min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Monday
16 February
16 February
11:47 am
Ontario (ONT)
Ontario (ONT)
01:59 pm
Phoenix (PHX)
Phoenix (PHX)
01h 12min
Boeing 737-700
Boeing 737-700
Landed - On-time
Saturday
14 February
14 February
03:33 pm
Kansas City (MCI)
Kansas City (MCI)
05:15 pm
Phoenix (PHX)
Phoenix (PHX)
00h 42min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Friday
13 February
13 February
11:58 am
Ontario (ONT)
Ontario (ONT)
02:18 pm
Phoenix (PHX)
Phoenix (PHX)
01h 20min
Boeing 737-700
Boeing 737-700
Landed - On-time
Thursday
12 February
12 February
11:42 am
Ontario (ONT)
Ontario (ONT)
01:51 pm
Phoenix (PHX)
Phoenix (PHX)
01h 09min
Boeing 737-700
Boeing 737-700
Landed - On-time