| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | PHX | SAT | 20:33 | 23:29 |
Landed Late
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| Jan 04 | PHX | SAT | 21:20 | 00:02 |
Landed
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| Jan 03 | PHX | SAT | 22:39 | 01:23 |
Delayed
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| Jan 02 | PHX | SAT | 21:14 | 00:00 |
Landed
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| Jan 01 | PHX | SAT | 18:51 | 21:30 |
Landed
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| Dec 31 | PHX | SAT | 18:55 | 21:36 |
Landed
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| Dec 30 | PHX | SAT | 21:11 | 23:47 |
Landed
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| Dec 29 | PHX | SAT | 21:19 | 23:55 |
Landed
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| Dec 28 | PHX | SAT | 21:16 | 23:59 |
Landed
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| Dec 27 | PHX | SAT | 21:34 | 00:14 |
Landed
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Southwest Airlines Flight WN4121 connects Phoenix, United States to San Antonio, United States, taking off from Phoenix Sky Harbor International Airport PHX and landing at San Antonio International Airport SAT.
How long is the WN4121 flight from Phoenix to San Antonio?
The average flight time from Phoenix to San Antonio is 1 hour and 42 minutes. The flight distance is 1354 km / 841 miles and the average flight speed is 796 km/h / 495 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4121 Phoenix to San Antonio?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4121 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4121 arriving at?
Flight WN4121 arrives at San Antonio International Airport (SAT) Terminal A.
When was the latest WN4121 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 23:29.
How else can the flight WN4121 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4121, WN 4121, SWA 4121.
How often is flight WN4121 delayed?
On average, 20% of all WN4121 flights are delayed. The average delay is 43 minutes.
Can I get compensation for my delayed or cancelled WN4121 flight or baggage issues?
If your WN4121 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our WN4121 Flight Tracker above for more details.
Other flights departing from Phoenix PHX: AA4028, WN2648, AA6215, WN4005
Other flights arriving at San Antonio SAT: NK2854, UA1655, WN4518, WN2316
All flights connecting Phoenix PHX to San Antonio SAT.