Frontier Airlines PHL to BOS on-time performance
Frontier Airlines nonstop flights from Philadelphia to Boston · Aug 2025 – Jul 2026
On-time arrivals
91%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
5 min
47 min when late
Rank on route
#1 of 4
route average 75% on time
Key facts
- Frontier Airlines flights on PHL to BOS arrived on time 91% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 2% arrived an hour or more late.
- That ranks #1 of 4 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (76%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)76%
- Air traffic control & airport congestion22%
- Late-arriving aircraft3%
- Extreme weather0%
- Security0%
Other airlines on PHL to BOS
- American Airlines71% on time · 24 min avg delay
- Republic Airways81% on time · 15 min avg delay
- JetBlue73% on time · 20 min avg delay
Full PHL to BOS comparison →
Frontier Airlines on-time record across all routes →
43 Frontier Airlines flights tracked on this route; 0 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.