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Flight Reliability

AA 1551 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1551 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

66%
Arrive within 15 minutes
18 min
Average arrival delay
2.2%
Cancelled
5 min early
Median arrival delay

Based on 358 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(50 flights)
  • Tue68%(50 flights)
  • Wed73%(52 flights)
  • Thu66%(50 flights)
  • Fri71%(48 flights)
  • Sat74%(50 flights)
  • Sun44%(50 flights)
On-time by departure window
  • 3–6 AM100%(12 flights)
  • 6–9 AM95%(63 flights)
  • 12–3 PM68%(25 flights)
  • 3–6 PM77%(44 flights)
  • 6–9 PM—(9 flights)
  • 9 PM–12 AM52%(197 flights)
On-time trend by month
55%
May

Jun 59% → May 55% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%29
July 202530%30
August 202548%31
September 202570%30
October 202550%30
November 202567%24
December 202581%31
January 202696%26
February 202693%28
March 202687%30
April 202667%30
May 202655%31
Departures on time
70%
Diverted
0%
Flights flown
350
Months covered
12

Keep nerding

Based on 358 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.