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Flight Reliability

AA 4622 · American Airlines

Louisville → Chicago (SDF–ORD)89% of its flights flew this route. The rest (DCA–BHM, ATL–MIA) are included in these numbers.

83
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
2 min early
Average arrival delay
2.5%
Cancelled
15 min early
Median arrival delay

Based on 322 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

AA 4622 departing between 6–9 AM arrived on time 86% of the time, versus 73% between 9 PM–12 AM.

Sunday scaries are real for this one.

AA 4622 arrived on time 93% of the time on Fridays and just 75% on Sundays. That gap is worth planning around.

Better than the SDF–ORD route average.

AA 4622 arrived on time 85% of the time, versus 77% across the SDF–ORD route.

Better than the American Airlines network average.

AA 4622 arrived on time 85% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon82%(45 flights)
  • Tue85%(41 flights)
  • Wed90%(40 flights)
  • Thu91%(46 flights)
  • Fri93%(45 flights)
  • Sat77%(53 flights)
  • Sun75%(44 flights)
On-time by departure window
  • 6–9 AM86%(279 flights)
  • 9 AM–12 PM—(1 flights)
  • 3–6 PM—(6 flights)
  • 6–9 PM—(6 flights)
  • 9 PM–12 AM73%(22 flights)
On-time trend by month
82%
May

Jun 89% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202589%26
July 202597%29
August 202581%26
September 202586%29
October 202581%31
November 202585%27
December 202586%29
January 202680%30
February 202682%28
March 202687%31
April 202673%11
May 202682%17
Departures on time
89%
Diverted
0%
Flights flown
314
Months covered
12

Same route, other flights

Keep nerding

Based on 322 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.