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WanderNerd

Flight Reliability

AA 2151 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 2151 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

70%
Arrive within 15 minutes
23 min
Average arrival delay
3.2%
Cancelled
1 min early
Median arrival delay

Based on 379 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon60%(53 flights)
  • Tue89%(36 flights)
  • Wed78%(51 flights)
  • Thu67%(57 flights)
  • Fri66%(56 flights)
  • Sat57%(60 flights)
  • Sun78%(54 flights)
On-time by departure window
  • 3–6 AM88%(25 flights)
  • 9 AM–12 PM73%(45 flights)
  • 12–3 PM77%(115 flights)
  • 3–6 PM68%(106 flights)
  • 6–9 PM51%(76 flights)
On-time trend by month
66%
May

Jun 36% → May 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202536%25
July 202539%23
August 202557%28
September 202593%29
October 202590%29
November 202593%28
December 202570%23
January 202662%26
February 202680%25
March 202669%29
April 202672%46
May 202666%56
Departures on time
67%
Diverted
0%
Flights flown
367
Months covered
12

Based on 379 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.