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Flight Reliability

AA 5903 · American Airlines

Philadelphia → Rochester (PHL–ROC)82% of its flights flew this route. The rest (AVL–PHL, CLE–PHL) are included in these numbers.

76
Usually Fine
WanderNerd Reliability Score
82%
Arrive within 15 minutes
3 min
Average arrival delay
3.5%
Cancelled
11 min early
Median arrival delay

Based on 341 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

AA 5903 departing between 6–9 PM arrived on time 90% of the time, versus 77% between 3–6 PM.

Sunday scaries are real for this one.

AA 5903 arrived on time 90% of the time on Tuesdays and just 69% on Sundays. That gap is worth planning around.

A bit ahead of the American Airlines network.

AA 5903 arrived on time 82% of the time, versus 77% across the American Airlines network.

Keep a backup plan handy.

AA 5903 was cancelled 3.5% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon87%(47 flights)
  • Tue90%(51 flights)
  • Wed79%(48 flights)
  • Thu79%(48 flights)
  • Fri81%(47 flights)
  • Sat88%(40 flights)
  • Sun69%(48 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM—(4 flights)
  • 3–6 PM77%(39 flights)
  • 6–9 PM90%(62 flights)
  • 9 PM–12 AM80%(223 flights)
On-time trend by month
85%
May

Jun 59% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%27
July 202564%28
August 202590%30
September 202583%30
October 202589%27
November 202575%28
December 202593%28
January 202692%26
February 202680%25
March 202687%30
April 202683%30
May 202685%20
Departures on time
84%
Diverted
0%
Flights flown
329
Months covered
12

Same route, other flights

Keep nerding

Based on 341 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.