Route Reliability
Phoenix → Boise
PHX–BOI · 735 miles · Phoenix Sky Harbor International Airport to Boise Airport
- 81%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0.4%
- Cancelled
- 2,340
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines84%1,039 flights
- 2.Alaska Airlines82%487 flights
- 3.Southwest Airlines78%814 flights
What the data says
Morning-you made the right choice.
PHX–BOI flights departing between 6–9 AM arrived on time 89% of the time, versus 74% between 6–9 PM.
Skip Thursday if you can.
PHX–BOI flights arrived on time 86% of the time on Saturdays. On Thursdays: 78%.
American Airlines has a slight edge here.
American Airlines arrived on time 84% of the time on this route; Southwest Airlines managed 78%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon79%(351 flights)
- Tue85%(313 flights)
- Wed84%(315 flights)
- Thu78%(346 flights)
- Fri79%(341 flights)
- Sat86%(296 flights)
- Sun80%(363 flights)
- 6–9 AM89%(167 flights)
- 9 AM–12 PM85%(691 flights)
- 12–3 PM84%(541 flights)
- 3–6 PM79%(275 flights)
- 6–9 PM74%(481 flights)
- 9 PM–12 AM79%(170 flights)
Jun 80% → May 78% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 181 |
| July 2025 | 75% | 182 |
| August 2025 | 86% | 178 |
| September 2025 | 81% | 154 |
| October 2025 | 79% | 207 |
| November 2025 | 81% | 218 |
| December 2025 | 83% | 222 |
| January 2026 | 82% | 207 |
| February 2026 | 84% | 179 |
| March 2026 | 82% | 212 |
| April 2026 | 84% | 198 |
| May 2026 | 78% | 187 |
Keep nerding
Based on 2,340 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.