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Flight Reliability

AA 3720 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 3720 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

71%
Arrive within 15 minutes
12 min
Average arrival delay
2.1%
Cancelled
1 min early
Median arrival delay

Based on 385 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(64 flights)
  • Tue85%(41 flights)
  • Wed68%(40 flights)
  • Thu58%(64 flights)
  • Fri69%(68 flights)
  • Sat68%(31 flights)
  • Sun79%(66 flights)
On-time by departure window
  • 3–6 AM—(4 flights)
  • 9 AM–12 PM76%(37 flights)
  • 12–3 PM81%(166 flights)
  • 3–6 PM58%(126 flights)
  • 6–9 PM—(1 flights)
  • 9 PM–12 AM68%(40 flights)
On-time trend by month
64%
May

Jun 53% → May 64% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%36
July 202556%32
August 202568%41
September 202576%53
October 202582%62
February 202686%28
March 202675%51
April 202667%30
May 202664%39
Departures on time
78%
Diverted
0.8%
Flights flown
374
Months covered
10

Keep nerding

Based on 385 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.