OnTimeRoutes
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Delta Air Lines ATL to HOU on-time performance

Delta Air Lines nonstop flights from Atlanta to Houston · Aug 2025 – Jul 2026

On-time arrivals
81%
arrived < 15 min late
Cancelled
1.9%
27 flights
Avg arrival delay
12 min
58 min when late
Rank on route
#1 of 2
route average 81% on time

Key facts

  • Delta Air Lines flights on ATL to HOU arrived on time 81% of the time in Aug 2025 – Jul 2026.
  • 1.9% were cancelled, and 6% arrived an hour or more late.
  • That ranks #1 of 2 airlines on this route, which averaged 81% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (58%).

On-time trend by month

50%75%100%July 2025: 72.5% on time, 0.7% cancelledJul ’25August 2025: 79.2% on time, 0.0% cancelledAug ’25September 2025: 88.4% on time, 0.0% cancelledSep ’25October 2025: 84.4% on time, 0.8% cancelledOct ’25November 2025: 75.7% on time, 2.5% cancelledNov ’25December 2025: 76.3% on time, 2.5% cancelledDec ’25January 2026: 84.8% on time, 3.1% cancelledJan ’26February 2026: 86.5% on time, 1.0% cancelledFeb ’26March 2026: 81.6% on time, 5.0% cancelledMar ’26April 2026: 87.0% on time, 0.9% cancelledApr ’26May 2026: 79.6% on time, 4.2% cancelledMay ’26June 2026: 81.7% on time, 0.9% cancelledJun ’26July 2026: 69.0% on time, 2.5% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)58%
  • Air traffic control & airport congestion21%
  • Late-arriving aircraft19%
  • Extreme weather3%
  • Security0%

Other airlines on ATL to HOU

1,397 Delta Air Lines flights tracked on this route; 27 cancelled, 3 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.