Skip to content
WanderNerd

Flight Reliability

AA 1178 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1178 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

87%
Arrive within 15 minutes
3 min
Average arrival delay
1.6%
Cancelled
12 min early
Median arrival delay

Based on 315 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(44 flights)
  • Tue93%(42 flights)
  • Wed81%(43 flights)
  • Thu86%(44 flights)
  • Fri91%(45 flights)
  • Sat86%(44 flights)
  • Sun85%(47 flights)
On-time by departure window
  • 3–6 AM92%(146 flights)
  • 6–9 AM84%(136 flights)
  • 3–6 PM74%(27 flights)
On-time trend by month
87%
May

Jun 100% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%29
July 202596%27
August 202590%31
September 202597%30
November 202585%26
December 202580%15
January 202679%29
February 202679%28
March 202676%25
April 202683%29
May 202687%31
Departures on time
87%
Diverted
0.3%
Flights flown
309
Months covered
12

Based on 315 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.