American Airlines PHL to BOS on-time performance
American Airlines nonstop flights from Philadelphia to Boston · Aug 2025 – Jul 2026
On-time arrivals
71%
arrived < 15 min late
Cancelled
2.8%
63 flights
Avg arrival delay
24 min
81 min when late
Rank on route
#4 of 4
route average 75% on time
Key facts
- American Airlines flights on PHL to BOS arrived on time 71% of the time in Aug 2025 – Jul 2026.
- 2.8% were cancelled, and 14% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (51%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft51%
- Air traffic control & airport congestion23%
- Airline (crew, maintenance, cleaning, fueling)21%
- Extreme weather5%
- Security0%
Other airlines on PHL to BOS
- Republic Airways81% on time · 15 min avg delay
- JetBlue73% on time · 20 min avg delay
- Frontier Airlines91% on time · 5 min avg delay
Full PHL to BOS comparison →
American Airlines on-time record across all routes →
2,272 American Airlines flights tracked on this route; 63 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.