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Flight Reliability

AA 4645 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4645 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

73%
Arrive within 15 minutes
14 min
Average arrival delay
2.6%
Cancelled
3 min early
Median arrival delay

Based on 347 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(54 flights)
  • Tue88%(48 flights)
  • Wed67%(42 flights)
  • Thu62%(52 flights)
  • Fri64%(50 flights)
  • Sat95%(39 flights)
  • Sun72%(53 flights)
On-time by departure window
  • 3–6 AM95%(42 flights)
  • 6–9 AM79%(71 flights)
  • 9 AM–12 PM76%(104 flights)
  • 12–3 PM74%(54 flights)
  • 3–6 PM39%(51 flights)
  • 6–9 PM—(6 flights)
  • 9 PM–12 AM70%(10 flights)
On-time trend by month
86%
May

Jun 54% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%39
July 202563%57
August 202550%10
September 202579%28
October 202586%57
November 202583%12
February 202667%18
March 202673%48
April 202682%33
May 202686%28
Departures on time
78%
Diverted
0%
Flights flown
338
Months covered
12

Keep nerding

Based on 347 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.