Frontier Airlines PHX to IAH on-time performance
Frontier Airlines nonstop flights from Phoenix to Houston · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.7%
2 flights
Avg arrival delay
14 min
60 min when late
Rank on route
#3 of 5
route average 81% on time
Key facts
- Frontier Airlines flights on PHX to IAH arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 7% arrived an hour or more late.
- That ranks #3 of 5 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (42%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion42%
- Late-arriving aircraft29%
- Airline (crew, maintenance, cleaning, fueling)28%
- Extreme weather0%
- Security0%
Other airlines on PHX to IAH
- United Airlines85% on time · 13 min avg delay
- American Airlines75% on time · 19 min avg delay
- SkyWest Airlines72% on time · 24 min avg delay
- Envoy Air82% on time · 7 min avg delay
Full PHX to IAH comparison →
Frontier Airlines on-time record across all routes →
291 Frontier Airlines flights tracked on this route; 2 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.