OnTimeRoutes
C

American Airlines STL to DCA on-time performance

American Airlines nonstop flights from St. Louis to Washington · Aug 2025 – Jul 2026

On-time arrivals
75%
arrived < 15 min late
Cancelled
2.9%
5 flights
Avg arrival delay
21 min
79 min when late
Rank on route
#2 of 5
route average 73% on time

Key facts

  • American Airlines flights on STL to DCA arrived on time 75% of the time in Aug 2025 – Jul 2026.
  • 2.9% were cancelled, and 7% arrived an hour or more late.
  • That ranks #2 of 5 airlines on this route, which averaged 73% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (45%).

On-time trend by month

30%65%100%July 2025: 44.4% on time, 6.7% cancelledJul ’25August 2025: 70.6% on time, 1.9% cancelledAug ’25September 2025: 74.5% on time, 1.8% cancelledSep ’25October 2025: 68.8% on time, 0.0% cancelledOct ’25January 2026: 100.0% on time, 33.3% cancelledJan ’26February 2026: 50.0% on time, 0.0% cancelledFeb ’26July 2026: 89.3% on time, 6.7% 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)45%
  • Late-arriving aircraft43%
  • Air traffic control & airport congestion12%
  • Extreme weather1%
  • Security0%

Other airlines on STL to DCA

Full STL to DCA comparison →
American Airlines on-time record across all routes →

175 American Airlines flights tracked on this route; 5 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.