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Flight Reliability

AA 1678 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 1678 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

88%
Arrive within 15 minutes
2 min early
Average arrival delay
1.6%
Cancelled
7 min early
Median arrival delay

Based on 384 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(56 flights)
  • Tue93%(56 flights)
  • Wed86%(56 flights)
  • Thu92%(51 flights)
  • Fri89%(56 flights)
  • Sat88%(50 flights)
  • Sun83%(53 flights)
On-time by departure window
  • 6–9 AM90%(266 flights)
  • 9 AM–12 PM89%(72 flights)
  • 12–3 PM100%(12 flights)
  • 6–9 PM54%(28 flights)
On-time trend by month
90%
May

Jun 86% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202590%31
August 202590%29
September 202590%29
October 202597%31
November 202595%55
December 202589%27
January 202683%30
February 202693%27
March 202659%29
April 202683%30
May 202690%31
Departures on time
88%
Diverted
0%
Flights flown
378
Months covered
12

Keep nerding

Based on 384 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.