OnTimeRoutes
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Delta Air Lines ATL to PIT on-time performance

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

On-time arrivals
84%
arrived < 15 min late
Cancelled
2.2%
54 flights
Avg arrival delay
10 min
56 min when late
Rank on route
#1 of 2
route average 84% on time

Key facts

  • Delta Air Lines flights on ATL to PIT arrived on time 84% of the time in Aug 2025 – Jul 2026.
  • 2.2% were cancelled, and 5% arrived an hour or more late.
  • That ranks #1 of 2 airlines on this route, which averaged 84% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (46%).

On-time trend by month

60%80%100%July 2025: 81.4% on time, 0.9% cancelledJul ’25August 2025: 86.3% on time, 3.2% cancelledAug ’25September 2025: 89.0% on time, 0.0% cancelledSep ’25October 2025: 85.7% on time, 0.0% cancelledOct ’25November 2025: 84.5% on time, 3.7% cancelledNov ’25December 2025: 76.2% on time, 4.1% cancelledDec ’25January 2026: 84.5% on time, 5.9% cancelledJan ’26February 2026: 86.2% on time, 0.0% cancelledFeb ’26March 2026: 83.0% on time, 5.2% cancelledMar ’26April 2026: 88.6% on time, 1.0% cancelledApr ’26May 2026: 83.3% on time, 1.3% cancelledMay ’26June 2026: 89.6% on time, 1.9% cancelledJun ’26July 2026: 72.1% on time, 0.5% 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)46%
  • Late-arriving aircraft31%
  • Air traffic control & airport congestion17%
  • Extreme weather6%
  • Security1%

Other airlines on ATL to PIT

2,461 Delta Air Lines flights tracked on this route; 54 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.