| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | PHX | BOI | 17:44 | 19:29 |
Landed
|
Track > |
| Jan 04 | PHX | BOI | 19:03 | 20:40 |
Landed Late
|
Track > |
| Jan 03 | PHX | BOI | 16:41 | 18:18 |
Landed
|
Track > |
| Jan 02 | PHX | BOI | 18:52 | 20:39 |
Landed Late
|
Track > |
| Jan 01 | PHX | BOI | 14:51 | 16:30 |
Landed
|
Track > |
| Dec 31 | PHX | BOI | 14:56 | 16:36 |
Landed
|
Track > |
| Dec 30 | PHX | BOI | 18:39 | 20:21 |
Landed Late
|
Track > |
| Dec 29 | PHX | BOI | 19:26 | 21:09 |
Delayed
|
Track > |
| Dec 28 | PHX | BOI | 19:50 | 21:35 |
Delayed
|
Track > |
| Dec 27 | PHX | BOI | 17:13 | 19:00 |
Landed Late
|
Track > |
Southwest Airlines Flight WN121 connects Phoenix, United States to Boise, United States, taking off from Phoenix Sky Harbor International Airport PHX and landing at Boise Airport BOI.
How long is the WN121 flight from Phoenix to Boise?
The average flight time from Phoenix to Boise is 1 hour and 42 minutes. The flight distance is 1184 km / 736 miles and the average flight speed is 696 km/h / 432 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN121 Phoenix to Boise?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN121 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN121 arriving at?
Flight WN121 arrives at Boise Airport (BOI) Terminal 3.
When was the latest WN121 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 19:29.
How else can the flight WN121 be referenced as?
This Southwest Airlines flight can also be referenced as SWA121, WN0121, WN 121, SWA 121.
How often is flight WN121 delayed?
On average, 60% of all WN121 flights are delayed. The average delay is 42 minutes.
Can I get compensation for my delayed or cancelled WN121 flight or baggage issues?
If your WN121 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 WN121 Flight Tracker above for more details.
Other flights departing from Phoenix PHX: AA1526, WN4055, WN392, WN715
Other flights arriving at Boise BOI: WN2050, WN4236, G478, AS2013
All flights connecting Phoenix PHX to Boise BOI.