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Flight Reliability

AA 4791 · American Airlines

Columbus → New York (CMH–LGA)83% of its flights flew this route. The rest (ALB–DCA, DCA–ALB) are included in these numbers.

33
Bring Snacks
WanderNerd Reliability Score
67%
Arrive within 15 minutes
24 min
Average arrival delay
8.5%
Cancelled
0 min
Median arrival delay

Based on 316 historical flights. Data through May 2026.

What the data says

12–3 PM has a slight edge.

Departures between 12–3 PM arrived on time 69% of the time, against 64% between 3–6 PM.

Sunday scaries are real for this one.

AA 4791 arrived on time 83% of the time on Mondays and just 45% on Sundays. That gap is worth planning around.

Lagging the CMH–LGA route.

AA 4791 arrived on time 67% of the time, versus 78% across the CMH–LGA route.

Lagging the American Airlines network.

AA 4791 arrived on time 67% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon83%(52 flights)
  • Tue71%(41 flights)
  • Wed76%(50 flights)
  • Thu53%(51 flights)
  • Fri68%(50 flights)
  • Sat—(2 flights)
  • Sun45%(42 flights)
On-time by departure window
  • 12–3 PM69%(26 flights)
  • 3–6 PM64%(120 flights)
  • 6–9 PM68%(142 flights)
On-time trend by month
71%
May

Jun 60% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%20
July 202565%17
August 202572%25
September 202580%25
October 202552%25
November 202558%26
December 202561%23
January 202667%24
February 202691%22
March 202658%24
April 202667%33
May 202671%24
Departures on time
71%
Diverted
0.3%
Flights flown
288
Months covered
12

Same route, other flights

Keep nerding

Based on 316 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.