Frontier Airlines PHL to IAH on-time performance
Frontier Airlines nonstop flights from Philadelphia to Houston · Aug 2025 – Jul 2026
On-time arrivals
68%
arrived < 15 min late
Cancelled
1.4%
1 flights
Avg arrival delay
21 min
64 min when late
Rank on route
#5 of 6
route average 81% on time
Key facts
- Frontier Airlines flights on PHL to IAH arrived on time 68% of the time in Aug 2025 – Jul 2026.
- 1.4% were cancelled, and 13% arrived an hour or more late.
- That ranks #5 of 6 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was late-arriving aircraft (34%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft34%
- Air traffic control & airport congestion34%
- Airline (crew, maintenance, cleaning, fueling)31%
- Extreme weather0%
- Security0%
Other airlines on PHL to IAH
- United Airlines86% on time · 12 min avg delay
- American Airlines76% on time · 20 min avg delay
- PSA Airlines77% on time · 18 min avg delay
- Republic Airways80% on time · 18 min avg delay
- Spirit Airlines67% on time · 15 min avg delay
Full PHL to IAH comparison →
Frontier Airlines on-time record across all routes →
72 Frontier Airlines flights tracked on this route; 1 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.