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Flight Reliability

AA 1074 · American Airlines

Miami → Boston (MIA–BOS)

49
Bring Snacks
WanderNerd Reliability Score
58%
Arrive within 15 minutes
25 min
Average arrival delay
2.2%
Cancelled
8 min
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

AA 1074 departing between 6–9 PM arrived on time 71% of the time, versus 57% between 3–6 PM.

Sunday scaries are real for this one.

AA 1074 arrived on time 78% of the time on Saturdays and just 39% on Sundays. That gap is worth planning around.

Lagging the MIA–BOS route.

AA 1074 arrived on time 58% of the time, versus 70% across the MIA–BOS route.

Well behind the American Airlines network.

AA 1074 arrived on time 58% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon58%(48 flights)
  • Tue57%(51 flights)
  • Wed62%(52 flights)
  • Thu55%(51 flights)
  • Fri54%(52 flights)
  • Sat78%(51 flights)
  • Sun39%(51 flights)
On-time by departure window
  • 12–3 PM—(1 flights)
  • 3–6 PM57%(334 flights)
  • 6–9 PM71%(21 flights)
On-time trend by month
68%
May

Jun 45% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202545%29
July 202530%30
August 202552%31
September 202547%30
October 202555%31
November 202571%28
December 202571%31
January 202686%28
February 202659%27
March 202663%30
April 202647%30
May 202668%31
Departures on time
62%
Diverted
0%
Flights flown
356
Months covered
12

Same route, other flights

Keep nerding

Based on 364 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.