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Flight Reliability

AA 1878 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1878 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

74%
Arrive within 15 minutes
22 min
Average arrival delay
3.0%
Cancelled
7 min early
Median arrival delay

Based on 362 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(52 flights)
  • Tue78%(46 flights)
  • Wed65%(48 flights)
  • Thu78%(51 flights)
  • Fri72%(53 flights)
  • Sat79%(47 flights)
  • Sun67%(52 flights)
On-time by departure window
  • 6–9 AM93%(139 flights)
  • 9 AM–12 PM69%(78 flights)
  • 12–3 PM67%(15 flights)
  • 3–6 PM56%(115 flights)
  • 6–9 PM—(1 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
60%
May

Jun 54% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%28
July 202536%25
August 202565%31
September 202570%30
October 202565%20
November 202593%28
December 202597%31
January 202689%27
February 202696%28
March 202681%31
April 202680%30
May 202660%40
Departures on time
75%
Diverted
0.6%
Flights flown
349
Months covered
12

Keep nerding

Based on 362 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.