Route
PHX → BOI
Phoenix Sky Harbor International Airport Boise Air Terminal/Gowen Field
How punctual is this route?
- On-time arrivals
- 81.0%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,052
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 43%
- Late-arriving aircraft 42%
- Extreme weather 8%
- Air traffic control & airport 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.5% | 129 |
| October 2025 | 79.8% | 198 |
| November 2025 | 81.5% | 190 |
| December 2025 | 84.0% | 188 |
| January 2026 | 80.8% | 172 |
| February 2026 | 85.8% | 156 |
| March 2026 | 80.9% | 174 |
| April 2026 | 80.5% | 149 |
| May 2026 | 78.2% | 156 |
| June 2026 | 70.2% | 171 |
| July 2026 | 78.6% | 183 |
| August 2026 | 90.8% | 186 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 1,029 | 85.0% | 0.5% | 77 min |
| Southwest Airlines | 818 | 76.8% | 0.5% | 51 min |
| Envoy Air | 143 | 81.0% | 0.0% | 39 min |
| American Airlines | 57 | 68.4% | 0.0% | 66 min |
| Alaska Airlines | 5 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO6280
13% late · 146 flights
-
OO6449
17% late · 143 flights
-
OO6332
29% late · 107 flights
-
OO4934
14% late · 70 flights
-
OO3096
15% late · 68 flights
-
WN121
34% late · 59 flights
-
WN2179
28% late · 58 flights
-
WN2352
7% late · 58 flights
-
OO4952
5% late · 56 flights
-
WN1622
28% late · 50 flights
-
WN3188
24% late · 45 flights
-
WN4052
7% late · 45 flights
-
MQ4093
23% late · 44 flights
-
OO4889
9% late · 44 flights
-
OO4912
18% late · 44 flights
-
MQ4080
29% late · 42 flights
-
OO3029
12% late · 42 flights
-
OO4921
21% late · 42 flights
-
OO4966
19% late · 37 flights
-
WN4601
9% late · 35 flights
-
OO4948
6% late · 34 flights
-
AA2015
27% late · 33 flights
-
OO3428
6% late · 32 flights
-
OO6236
19% late · 32 flights
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