OnTimeRoutes
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Frontier Airlines DTW to IAH on-time performance

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

On-time arrivals
66%
arrived < 15 min late
Cancelled
0.7%
1 flights
Avg arrival delay
25 min
71 min when late
Rank on route
#5 of 5
route average 79% on time

Key facts

  • Frontier Airlines flights on DTW to IAH arrived on time 66% of the time in Aug 2025 – Jul 2026.
  • 0.7% were cancelled, and 14% 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 (49%).

On-time trend by month

40%70%100%November 2025: 100.0% on time, 0.0% cancelledNov ’25December 2025: 53.8% on time, 0.0% cancelledDec ’25January 2026: 80.0% on time, 0.0% cancelledJan ’26February 2026: 63.6% on time, 0.0% cancelledFeb ’26March 2026: 50.0% on time, 6.7% cancelledMar ’26April 2026: 50.0% on time, 0.0% cancelledApr ’26May 2026: 72.4% on time, 0.0% cancelledMay ’26June 2026: 66.7% on time, 0.0% cancelledJun ’26July 2026: 67.7% 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 aircraft49%
  • Air traffic control & airport congestion25%
  • Airline (crew, maintenance, cleaning, fueling)24%
  • Extreme weather2%
  • Security0%

Other airlines on DTW to IAH

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

151 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.