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Route Reliability

Chicago → BIS

ORD–BIS · 715 miles · Chicago O'Hare International Airport to BIS Airport

90
Nerd Approved
WanderNerd Reliability Score
84%
Arrive within 15 minutes
3 min early
Average arrival delay
0%
Cancelled
270
Flights in the data

Data through May 2026.

American Airlines is the only airline in this data on this route, arriving on time 84% of the time across 270 flights. No comparison to make.

What the data says

Tuesday is the weak spot.

ORD–BIS flights arrived on time 87% of the time on Fridays. On Tuesdays: 79%.

It basically never cancels.

Out of 270 scheduled flights, only 0.0% were cancelled.

Flights on this route

The breakdown

On-time by weekday
  • Mon84%(38 flights)
  • Tue79%(38 flights)
  • Wed82%(38 flights)
  • Thu87%(38 flights)
  • Fri87%(39 flights)
  • Sat85%(39 flights)
  • Sun82%(39 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM84%(268 flights)
On-time trend by month
90%
May

Jun 92% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%26
July 202565%31
August 202594%31
September 202590%30
October 202574%31
November 202587%30
December 202570%30
April 202692%24
May 202690%31

Keep nerding

Based on 270 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.