Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 4370 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4370 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
13 min
Average arrival delay
4.4%
Cancelled
4 min early
Median arrival delay

Based on 318 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(43 flights)
  • Tue88%(43 flights)
  • Wed74%(43 flights)
  • Thu65%(43 flights)
  • Fri61%(46 flights)
  • Sat77%(44 flights)
  • Sun79%(38 flights)
On-time by departure window
  • 3–6 AM—(4 flights)
  • 6–9 AM80%(168 flights)
  • 12–3 PM63%(65 flights)
  • 3–6 PM71%(63 flights)
On-time trend by month
72%
May

Jun 47% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202547%17
July 202564%25
August 202571%31
September 202590%30
November 202569%26
December 202574%27
January 202688%25
February 202680%25
March 202676%29
April 202676%29
May 202672%29
Departures on time
83%
Diverted
1.3%
Flights flown
300
Months covered
12

Keep nerding

Based on 318 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.