Frontier Airlines BOS to PHL on-time performance
Frontier Airlines nonstop flights from Boston to Philadelphia · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
13 min
58 min when late
Rank on route
#1 of 4
route average 77% on time
Key facts
- Frontier Airlines flights on BOS to PHL arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 7% arrived an hour or more late.
- That ranks #1 of 4 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (41%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)41%
- Air traffic control & airport congestion28%
- Late-arriving aircraft26%
- Extreme weather4%
- Security0%
Other airlines on BOS to PHL
- American Airlines76% on time · 26 min avg delay
- Republic Airways79% on time · 15 min avg delay
- JetBlue72% on time · 19 min avg delay
Full BOS to PHL 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.