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Route Reliability

ALO → Chicago

ALO–ORD · 234 miles · ALO Airport to Chicago O'Hare International Airport

67
Usually Fine
WanderNerd Reliability Score
73%
Arrive within 15 minutes
18 min
Average arrival delay
2.2%
Cancelled
672
Flights in the data

Data through May 2026.

American Airlines is the only airline in this data on this route, arriving on time 73% of the time across 672 flights. No comparison to make.

What the data says

Morning flights do better here.

ALO–ORD flights departing between 3–6 AM arrived on time 89% of the time, versus 59% between 3–6 PM.

Mondays have been rough.

ALO–ORD flights arrived on time 83% of the time on Saturdays and just 67% on Mondays. That gap is worth planning around.

Trending in the right direction.

ALO–ORD flights arrived on time 80% of the time over the last three months in the data, compared with 66% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon67%(100 flights)
  • Tue80%(75 flights)
  • Wed75%(102 flights)
  • Thu70%(99 flights)
  • Fri71%(101 flights)
  • Sat83%(77 flights)
  • Sun72%(101 flights)
On-time by departure window
  • 3–6 AM89%(123 flights)
  • 6–9 AM81%(231 flights)
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM79%(48 flights)
  • 3–6 PM59%(251 flights)
On-time trend by month
86%
May

Jun 75% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%60
July 202562%60
August 202572%54
September 202581%52
October 202572%61
November 202580%51
December 202559%51
January 202661%54
February 202679%48
March 202674%49
April 202680%56
May 202686%59

Keep nerding

Based on 672 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.