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Flight Reliability

AA 3778 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3778 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
1 min
Average arrival delay
2.0%
Cancelled
11 min early
Median arrival delay

Based on 395 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(56 flights)
  • Tue83%(48 flights)
  • Wed90%(50 flights)
  • Thu90%(60 flights)
  • Fri90%(58 flights)
  • Sat85%(54 flights)
  • Sun85%(60 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM92%(168 flights)
  • 9 AM–12 PM94%(33 flights)
  • 12–3 PM90%(67 flights)
  • 3–6 PM70%(87 flights)
  • 6–9 PM93%(30 flights)
On-time trend by month
84%
May

Aug 75% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202575%51
September 202597%35
October 202594%32
November 202588%25
December 202597%31
January 202686%28
February 202696%28
March 202686%55
April 202682%60
May 202684%32
Departures on time
91%
Diverted
0.3%
Flights flown
386
Months covered
12

Keep nerding

Based on 395 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.