Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 5423 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 5423 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

86%
Arrive within 15 minutes
2 min early
Average arrival delay
4.5%
Cancelled
13 min early
Median arrival delay

Based on 314 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(42 flights)
  • Tue89%(37 flights)
  • Wed98%(43 flights)
  • Thu86%(43 flights)
  • Fri82%(45 flights)
  • Sat74%(49 flights)
  • Sun90%(41 flights)
On-time by departure window
  • 6–9 AM87%(270 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM61%(18 flights)
  • 3–6 PM91%(11 flights)
On-time trend by month
91%
May

Jun 92% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%24
July 202587%30
August 202593%28
November 202586%28
December 202583%30
January 202689%27
February 202680%25
March 202669%32
April 202690%30
May 202691%42
Departures on time
85%
Diverted
0%
Flights flown
300
Months covered
12

Keep nerding

Based on 314 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.