Skip to content
WanderNerd

Flight Reliability

AA 4205 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4205 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

74%
Arrive within 15 minutes
13 min
Average arrival delay
1.7%
Cancelled
2 min early
Median arrival delay

Based on 349 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(52 flights)
  • Tue90%(52 flights)
  • Wed68%(47 flights)
  • Thu70%(47 flights)
  • Fri78%(51 flights)
  • Sat70%(47 flights)
  • Sun70%(46 flights)
On-time by departure window
  • 9 AM–12 PM91%(22 flights)
  • 12–3 PM76%(82 flights)
  • 3–6 PM81%(32 flights)
  • 6–9 PM61%(76 flights)
  • 9 PM–12 AM76%(130 flights)
On-time trend by month
80%
May

Jun 68% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%56
July 202558%59
August 202567%36
September 202580%30
November 202588%42
December 202592%25
February 202684%25
March 2026100%12
April 202661%23
May 202680%20
Departures on time
78%
Diverted
0.3%
Flights flown
342
Months covered
12

Based on 349 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.