Route · BOI → PHX · 2020–2025 BTS data
Boise to Phoenix
The BOI–PHX corridor (Boise, ID → Phoenix, AZ) runs ahead of the national average, served by 45 carriers across roughly 735 miles.
Data updated 2026-06-13
- 84.9%
- On-time
- +5.9 pts
- vs US avg
- 86 min
- Delay when late
- 9,042
- Flights
Cancelled
0.3%
Best Month
Nov 2024 91%
Worst Month
Aug 2024 73%
Distance
735 mi
Carriers
45
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 188 | 25 | 0 | 0 | WN,MQ,OO |
| Nov 2025 | 190 | 38 | 4 | 0 | OO,MQ,AA,WN |
| Oct 2025 | 198 | 39 | 0 | 0 | AA,OO,WN |
| Sep 2025 | 129 | 20 | 1 | 2 | WN,OO,AA |
| Aug 2025 | 148 | 23 | 0 | 2 | OO,WN |
| Jul 2025 | 154 | 20 | 2 | 1 | OO,WN |
| Jun 2025 | 151 | 28 | 1 | 0 | OO,WN,MQ |
| May 2025 | 186 | 23 | 0 | 0 | OO,WN,MQ |
| Apr 2025 | 207 | 34 | 0 | 0 | OO,WN |
| Mar 2025 | 199 | 37 | 0 | 0 | AA,OO,WN,MQ |
| Feb 2025 | 165 | 35 | 0 | 0 | AA,OO,WN,MQ |
| Jan 2025 | 170 | 16 | 0 | 0 | AA,OO,WN,MQ |
| Dec 2024 | 160 | 18 | 0 | 0 | AA,MQ,OO,UA,WN |
| Nov 2024 | 151 | 14 | 0 | 0 | OO,MQ,WN |
| Oct 2024 | 157 | 23 | 0 | 0 | OO,WN,AA |
| Sep 2024 | 163 | 30 | 0 | 0 | WN,OO,AA |
| Aug 2024 | 154 | 41 | 0 | 0 | WN,OO |
| Jul 2024 | 119 | 13 | 0 | 0 | AA,OO,WN |
| Jun 2024 | 129 | 19 | 1 | 0 | AA,MQ,OO,WN |
| May 2024 | 158 | 20 | 1 | 0 | MQ,OO,WN |
| Apr 2024 | 136 | 19 | 0 | 0 | MQ,OO,WN |
| Mar 2024 | 133 | 20 | 0 | 0 | MQ,OO,WN |
| Feb 2024 | 116 | 16 | 0 | 0 | MQ,OO,WN |
| Jan 2024 | 128 | 24 | 0 | 0 | MQ,WN,OO |
Cancellation Rate
0.3%
10 of 3,789 flights
Diversion Rate
0.1%
5 of 3,789 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BOI - Boise
Full on-time, delay-cause, and seasonal performance for Boise, ID.
Origin airport →PHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
Destination airport →Compare the two airports
See BOI and PHX side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to BOI–PHX.
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What the Data Says About BOI to PHX
Bureau of Transportation Statistics records show Boise to Phoenix (BOI to PHX) running a 84.9% on-time rate over 9,042 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 85.7 minutes. The 735-mile corridor is served by 45 carriers, and over the last 24 months 0.3% of 3,789 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 91% on-time, while Aug 2024 came in at just 73% - a 17-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.