Skip to content
WanderNerd

Flight Reliability

AA 1837 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1837 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

72%
Arrive within 15 minutes
25 min
Average arrival delay
2.1%
Cancelled
3 min early
Median arrival delay

Based on 378 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(55 flights)
  • Tue82%(55 flights)
  • Wed82%(45 flights)
  • Thu74%(54 flights)
  • Fri66%(55 flights)
  • Sat70%(47 flights)
  • Sun56%(57 flights)
On-time by departure window
  • 9 AM–12 PM79%(52 flights)
  • 12–3 PM71%(153 flights)
  • 3–6 PM72%(74 flights)
  • 6–9 PM67%(30 flights)
  • 9 PM–12 AM70%(59 flights)
On-time trend by month
72%
May

Jun 75% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%28
July 202555%31
August 202574%31
September 202583%29
November 202579%56
December 202573%33
January 202675%28
February 202675%28
March 202653%38
April 202669%32
May 202672%29
Departures on time
69%
Diverted
0.5%
Flights flown
368
Months covered
12

Based on 378 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.