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Flight Reliability

AA 4903 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4903 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

88%
Arrive within 15 minutes
3 min
Average arrival delay
0.3%
Cancelled
11 min early
Median arrival delay

Based on 368 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon91%(54 flights)
  • Tue89%(46 flights)
  • Wed93%(53 flights)
  • Thu93%(53 flights)
  • Fri93%(53 flights)
  • Sat82%(54 flights)
  • Sun80%(54 flights)
On-time by departure window
  • 6–9 AM92%(117 flights)
  • 9 AM–12 PM100%(26 flights)
  • 12–3 PM82%(11 flights)
  • 3–6 PM79%(82 flights)
  • 6–9 PM89%(91 flights)
  • 9 PM–12 AM90%(40 flights)
On-time trend by month
82%
May

Jun 90% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%29
July 202582%27
August 2025100%53
September 202591%32
October 202580%30
November 202579%29
December 202594%18
January 202689%26
February 202686%28
March 202690%31
April 202692%26
May 202682%38
Departures on time
88%
Diverted
0%
Flights flown
367
Months covered
12

Keep nerding

Based on 368 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.