Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 420 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 420 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

75%
Arrive within 15 minutes
15 min
Average arrival delay
3.2%
Cancelled
5 min early
Median arrival delay

Based on 728 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(102 flights)
  • Tue76%(101 flights)
  • Wed74%(100 flights)
  • Thu72%(101 flights)
  • Fri77%(103 flights)
  • Sat77%(97 flights)
  • Sun72%(100 flights)
On-time by departure window
  • 12–3 PM76%(662 flights)
  • 3–6 PM69%(42 flights)
On-time trend by month
75%
May

Jun 71% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%58
July 202564%61
August 202576%59
September 202585%59
October 202577%60
November 202583%58
December 202577%62
January 202679%52
February 202667%55
March 202671%62
April 202678%59
May 202675%59
Departures on time
73%
Diverted
0.1%
Flights flown
704
Months covered
12

Keep nerding

Based on 728 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.