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Flight Reliability

AA 3399 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3399 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

85%
Arrive within 15 minutes
1 min
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 336 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(44 flights)
  • Tue88%(50 flights)
  • Wed89%(46 flights)
  • Thu96%(44 flights)
  • Fri91%(45 flights)
  • Sat75%(64 flights)
  • Sun93%(43 flights)
On-time by departure window
  • 3–6 AM92%(26 flights)
  • 6–9 AM82%(66 flights)
  • 9 AM–12 PM86%(214 flights)
  • 12–3 PM—(8 flights)
  • 6–9 PM86%(21 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
93%
May

Jun 96% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202596%52
July 202575%56
August 202585%27
September 202590%57
October 202589%35
March 202675%12
April 202674%50
May 202693%40
Departures on time
85%
Diverted
0%
Flights flown
336
Months covered
10

Keep nerding

Based on 336 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.