Route · PHX → BOI · 2020–2025 BTS data
Phoenix to Boise
The PHX–BOI corridor (Phoenix, AZ → Boise, ID) runs ahead of the national average, served by 45 carriers across roughly 735 miles.
Data updated 2026-06-13
- 81.5%
- On-time
- +2.5 pts
- vs US avg
- 68 min
- Delay when late
- 9,070
- Flights
Cancelled
0.2%
Best Month
Apr 2024 90%
Worst Month
Jun 2024 65%
Distance
735 mi
Carriers
45
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 188 | 30 | 0 | 1 | WN,MQ,OO |
| Nov 2025 | 190 | 34 | 3 | 3 | OO,MQ,AA,WN |
| Oct 2025 | 198 | 40 | 0 | 0 | AA,OO,WN |
| Sep 2025 | 129 | 25 | 1 | 0 | WN,OO,AA |
| Aug 2025 | 149 | 20 | 0 | 0 | OO,WN |
| Jul 2025 | 154 | 35 | 2 | 0 | OO,WN |
| Jun 2025 | 151 | 36 | 0 | 0 | OO,WN,MQ |
| May 2025 | 186 | 29 | 0 | 0 | OO,WN,MQ |
| Apr 2025 | 207 | 35 | 0 | 0 | OO,WN |
| Mar 2025 | 199 | 42 | 0 | 0 | AA,OO,WN,MQ |
| Feb 2025 | 165 | 38 | 0 | 1 | AA,OO,WN,MQ |
| Jan 2025 | 173 | 23 | 0 | 0 | AA,OO,UA,WN,MQ |
| Dec 2024 | 157 | 39 | 0 | 0 | AA,MQ,OO,WN |
| Nov 2024 | 152 | 27 | 0 | 0 | OO,MQ,WN |
| Oct 2024 | 157 | 25 | 0 | 0 | OO,WN,AA |
| Sep 2024 | 163 | 25 | 0 | 1 | WN,OO,AA |
| Aug 2024 | 154 | 28 | 0 | 0 | WN,OO |
| Jul 2024 | 119 | 29 | 0 | 1 | AA,OO,WN |
| Jun 2024 | 130 | 46 | 0 | 0 | AA,MQ,OO,WN |
| May 2024 | 158 | 26 | 0 | 0 | MQ,OO,WN |
| Apr 2024 | 136 | 13 | 0 | 0 | MQ,OO,WN |
| Mar 2024 | 133 | 18 | 0 | 0 | MQ,OO,WN |
| Feb 2024 | 116 | 12 | 0 | 0 | MQ,OO,WN |
| Jan 2024 | 129 | 31 | 0 | 1 | MQ,WN,OO |
Cancellation Rate
0.2%
6 of 3,793 flights
Diversion Rate
0.2%
8 of 3,793 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
Origin airport →BOI - Boise
Full on-time, delay-cause, and seasonal performance for Boise, ID.
Destination airport →Compare the two airports
See PHX and BOI side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to PHX–BOI.
Routes with a similar on-time rate
What the Data Says About PHX to BOI
9,070 tracked flights put the PHX to BOI pairing (Phoenix to Boise) at a 81.5% on-time rate, squarely in line with the wider network. Delays that do occur run 67.5 minutes on average. Across the 735-mile route and its 45 carriers, the trailing 24 months show 0.2% cancelled and 0.2% diverted (3,793 flights sampled).
The monthly split is wide on this route: Apr 2024 posted the strongest performance at 90% on-time, while Jun 2024 came in at just 65% - a 26-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.