Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 4739 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4739 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

77%
Arrive within 15 minutes
12 min
Average arrival delay
4.5%
Cancelled
3 min early
Median arrival delay

Based on 353 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(59 flights)
  • Tue81%(58 flights)
  • Wed72%(54 flights)
  • Thu75%(56 flights)
  • Fri73%(40 flights)
  • Sat91%(32 flights)
  • Sun81%(37 flights)
On-time by departure window
  • 6–9 AM77%(133 flights)
  • 9 AM–12 PM83%(69 flights)
  • 12–3 PM80%(51 flights)
  • 3–6 PM70%(83 flights)
On-time trend by month
80%
May

Jun 76% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%29
July 202559%32
August 202583%46
October 202573%26
November 202589%35
December 202579%28
January 202679%28
February 202671%28
March 202670%30
April 202680%30
May 202680%20
Departures on time
83%
Diverted
0.3%
Flights flown
336
Months covered
12

Keep nerding

Based on 353 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.