Route Reliability
Boise → Phoenix
BOI–PHX · 735 miles · Boise Airport to Phoenix Sky Harbor International Airport
- 84%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0.4%
- Cancelled
- 2,339
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines86%1,038 flights
- 2.Southwest Airlines84%814 flights
- 3.Alaska Airlines80%487 flights
What the data says
Morning-you made the right choice.
BOI–PHX flights departing between 3–6 AM arrived on time 98% of the time, versus 74% between 6–9 PM.
Skip Thursday if you can.
BOI–PHX flights arrived on time 89% of the time on Saturdays. On Thursdays: 81%.
American Airlines has a slight edge here.
American Airlines arrived on time 86% of the time on this route; Alaska Airlines managed 80%.
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
- Mon82%(347 flights)
- Tue85%(314 flights)
- Wed85%(311 flights)
- Thu81%(348 flights)
- Fri81%(343 flights)
- Sat89%(295 flights)
- Sun86%(366 flights)
- 3–6 AM98%(154 flights)
- 6–9 AM95%(627 flights)
- 9 AM–12 PM84%(67 flights)
- 12–3 PM82%(624 flights)
- 3–6 PM76%(546 flights)
- 6–9 PM74%(306 flights)
Jun 84% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 84% | 180 |
| July 2025 | 83% | 181 |
| August 2025 | 85% | 175 |
| September 2025 | 86% | 152 |
| October 2025 | 79% | 207 |
| November 2025 | 80% | 222 |
| December 2025 | 84% | 223 |
| January 2026 | 82% | 208 |
| February 2026 | 87% | 179 |
| March 2026 | 93% | 212 |
| April 2026 | 85% | 198 |
| May 2026 | 80% | 187 |
Keep nerding
Based on 2,339 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.