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Flight Reliability

AA 4641 · American Airlines

Boston → Columbus (BOS–CMH)88% of its flights flew this route. The rest (CMH–BOS, PHL–STL) are included in these numbers.

61
A Little Dicey
WanderNerd Reliability Score
69%
Arrive within 15 minutes
14 min
Average arrival delay
3.7%
Cancelled
7 min early
Median arrival delay

Based on 374 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

AA 4641 departing between 6–9 AM arrived on time 100% of the time, versus 66% between 6–9 PM.

Sunday scaries are real for this one.

AA 4641 arrived on time 75% of the time on Wednesdays and just 60% on Sundays. That gap is worth planning around.

Lagging the BOS–CMH route.

AA 4641 arrived on time 69% of the time, versus 81% across the BOS–CMH route.

Lagging the American Airlines network.

AA 4641 arrived on time 69% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon71%(52 flights)
  • Tue74%(53 flights)
  • Wed75%(57 flights)
  • Thu67%(54 flights)
  • Fri67%(57 flights)
  • Sat74%(34 flights)
  • Sun60%(53 flights)
On-time by departure window
  • 6–9 AM100%(13 flights)
  • 12–3 PM—(5 flights)
  • 3–6 PM74%(82 flights)
  • 6–9 PM66%(250 flights)
  • 9 PM–12 AM70%(10 flights)
On-time trend by month
75%
May

Jun 69% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%29
July 202552%29
August 202570%30
September 202552%29
October 202553%30
November 202591%23
December 202560%30
January 202684%43
February 202683%35
March 202679%28
April 202662%26
May 202675%28
Departures on time
71%
Diverted
0%
Flights flown
360
Months covered
12

Same route, other flights

Keep nerding

Based on 374 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.