Skip to content
WanderNerd

Route Reliability

Bozeman → Chicago

BZNMDW · 1,198 miles · Bozeman Yellowstone International Airport to Chicago Midway International Airport

95
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
2 min
Average arrival delay
0%
Cancelled
119
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 87% of the time across 119 flights. No comparison to make.

What the data says

Morning-you made the right choice.

BZN–MDW flights departing between 6–9 AM arrived on time 100% of the time, versus 81% between 12–3 PM.

Thursdays have been rough.

BZN–MDW flights arrived on time 94% of the time on Tuesdays and just 77% on Thursdays. That gap is worth planning around.

It basically never cancels.

Out of 119 scheduled flights, only 0.0% were cancelled.

Flights on this route

The breakdown

On-time by weekday
  • Mon88%(17 flights)
  • Tue94%(17 flights)
  • Wed82%(17 flights)
  • Thu77%(17 flights)
  • Fri82%(17 flights)
  • Sat94%(17 flights)
  • Sun94%(17 flights)
On-time by departure window
  • 6–9 AM100%(36 flights)
  • 9 AM–12 PM83%(24 flights)
  • 12–3 PM81%(59 flights)
On-time trend by month
93%
Sep

Jun 96% → Sep 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202596%26
July 202574%31
August 202587%31
September 202593%30

Based on 119 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.