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Flight Reliability

AA 5278 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 5278 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

71%
Arrive within 15 minutes
14 min
Average arrival delay
2.3%
Cancelled
3 min early
Median arrival delay

Based on 301 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(39 flights)
  • Tue65%(37 flights)
  • Wed74%(39 flights)
  • Thu73%(40 flights)
  • Fri66%(41 flights)
  • Sat67%(49 flights)
  • Sun71%(48 flights)
On-time by departure window
  • 3–6 AM—(9 flights)
  • 6–9 AM93%(98 flights)
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM58%(71 flights)
  • 3–6 PM60%(72 flights)
  • 6–9 PM46%(13 flights)
  • 9 PM–12 AM68%(28 flights)
On-time trend by month
91%
May

Jun 73% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%11
August 202592%26
September 202569%26
October 202590%30
November 202566%38
December 202548%27
January 202657%28
February 202667%45
March 202625%12
April 202690%20
May 202691%22
Departures on time
68%
Diverted
0.3%
Flights flown
293
Months covered
12

Keep nerding

Based on 301 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.