Route Reliability
Boston → Phoenix
BOS–PHX · 2,300 miles · Boston Logan International Airport to Phoenix Sky Harbor International Airport
- 77%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.8%
- Cancelled
- 2,055
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines81%1,317 flights
- 2.JetBlue Airways73%310 flights
- 3.Delta Air Lines69%428 flights
What the data says
Morning-you made the right choice.
BOS–PHX flights departing between 9 AM–12 PM arrived on time 84% of the time, versus 68% between 6–9 PM.
Monday has been the better bet.
A small edge: 80% on time on Mondays against 73% on Fridays.
American Airlines runs this route best.
American Airlines arrived on time 81% of the time on this route; Delta Air Lines managed 69%.
Trending in the right direction.
BOS–PHX flights arrived on time 81% of the time over the last three months in the data, compared with 73% in the three months before that.
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
- Mon80%(295 flights)
- Tue76%(258 flights)
- Wed76%(271 flights)
- Thu77%(307 flights)
- Fri73%(295 flights)
- Sat76%(270 flights)
- Sun80%(317 flights)
- 6–9 AM83%(614 flights)
- 9 AM–12 PM84%(323 flights)
- 12–3 PM79%(358 flights)
- 3–6 PM69%(469 flights)
- 6–9 PM68%(249 flights)
Jun 76% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 177 |
| July 2025 | 69% | 155 |
| August 2025 | 83% | 135 |
| September 2025 | 76% | 129 |
| October 2025 | 75% | 165 |
| November 2025 | 80% | 156 |
| December 2025 | 70% | 178 |
| January 2026 | 76% | 156 |
| February 2026 | 73% | 153 |
| March 2026 | 87% | 197 |
| April 2026 | 82% | 211 |
| May 2026 | 75% | 201 |
Keep nerding
Based on 2,055 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.