OnTimeRoutes
D

Frontier Airlines IAH to PHX on-time performance

Frontier Airlines nonstop flights from Houston to Phoenix · Aug 2025 – Jul 2026

On-time arrivals
67%
arrived < 15 min late
Cancelled
0.7%
2 flights
Avg arrival delay
26 min
75 min when late
Rank on route
#5 of 5
route average 79% on time

Key facts

  • Frontier Airlines flights on IAH to PHX arrived on time 67% of the time in Aug 2025 – Jul 2026.
  • 0.7% were cancelled, and 12% arrived an hour or more late.
  • That ranks #5 of 5 airlines on this route, which averaged 79% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (57%).

On-time trend by month

40%70%100%July 2025: 75.0% on time, 5.9% cancelledJul ’25August 2025: 68.8% on time, 0.0% cancelledAug ’25September 2025: 90.0% on time, 0.0% cancelledSep ’25October 2025: 50.0% on time, 0.0% cancelledOct ’25November 2025: 70.4% on time, 0.0% cancelledNov ’25December 2025: 78.3% on time, 0.0% cancelledDec ’25January 2026: 60.0% on time, 4.8% cancelledJan ’26February 2026: 55.0% on time, 0.0% cancelledFeb ’26March 2026: 75.0% on time, 0.0% cancelledMar ’26April 2026: 81.3% on time, 5.9% cancelledApr ’26May 2026: 61.3% on time, 0.0% cancelledMay ’26June 2026: 63.3% on time, 0.0% cancelledJun ’26July 2026: 54.8% on time, 0.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft57%
  • Airline (crew, maintenance, cleaning, fueling)28%
  • Air traffic control & airport congestion13%
  • Extreme weather1%
  • Security0%

Other airlines on IAH to PHX

Full IAH to PHX comparison →
Frontier Airlines on-time record across all routes →

291 Frontier Airlines flights tracked on this route; 2 cancelled, 1 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.