Skip to content
WanderNerd

Flight Reliability

AA 3994 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3994 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

79%
Arrive within 15 minutes
5 min
Average arrival delay
0.7%
Cancelled
8 min early
Median arrival delay

Based on 301 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(44 flights)
  • Tue80%(44 flights)
  • Wed70%(47 flights)
  • Thu84%(45 flights)
  • Fri73%(45 flights)
  • Sat88%(32 flights)
  • Sun83%(42 flights)
On-time by departure window
  • 3–6 AM90%(62 flights)
  • 6–9 AM82%(81 flights)
  • 9 AM–12 PM95%(39 flights)
  • 12–3 PM72%(86 flights)
  • 3–6 PM45%(31 flights)
On-time trend by month
88%
May

Jun 89% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202589%26
July 202593%30
September 202595%56
October 202590%10
November 202578%23
December 202546%26
January 202657%47
February 202655%20
April 202692%24
May 202688%32
Departures on time
87%
Diverted
0%
Flights flown
299
Months covered
11

Based on 301 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.