OnTimeRoutes
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Delta Air Lines ATL to BWI on-time performance

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

On-time arrivals
79%
arrived < 15 min late
Cancelled
2.0%
56 flights
Avg arrival delay
14 min
58 min when late
Rank on route
#2 of 4
route average 76% on time

Key facts

  • Delta Air Lines flights on ATL to BWI arrived on time 79% of the time in Aug 2025 – Jul 2026.
  • 2% were cancelled, and 7% arrived an hour or more late.
  • That ranks #2 of 4 airlines on this route, which averaged 76% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (50%).

On-time trend by month

50%75%100%July 2025: 61.7% on time, 2.0% cancelledJul ’25August 2025: 74.1% on time, 1.2% cancelledAug ’25September 2025: 89.5% on time, 0.0% cancelledSep ’25October 2025: 81.1% on time, 0.0% cancelledOct ’25November 2025: 83.6% on time, 1.7% cancelledNov ’25December 2025: 75.3% on time, 3.3% cancelledDec ’25January 2026: 77.5% on time, 7.0% cancelledJan ’26February 2026: 78.9% on time, 2.1% cancelledFeb ’26March 2026: 70.3% on time, 3.9% cancelledMar ’26April 2026: 86.4% on time, 0.9% cancelledApr ’26May 2026: 79.0% on time, 1.2% cancelledMay ’26June 2026: 83.2% on time, 1.3% cancelledJun ’26July 2026: 65.2% 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)50%
  • Late-arriving aircraft23%
  • Air traffic control & airport congestion22%
  • Extreme weather5%
  • Security0%

Other airlines on ATL to BWI

Full ATL to BWI comparison →
Delta Air Lines on-time record across all routes →

2,811 Delta Air Lines flights tracked on this route; 56 cancelled, 8 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.