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Route Reliability

Birmingham → Chicago

BHM–MDW · 570 miles · Birmingham–Shuttlesworth International Airport to Chicago Midway International Airport

84
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
3 min
Average arrival delay
1.4%
Cancelled
509
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 85% of the time across 509 flights. No comparison to make.

What the data says

Morning flights do better here.

BHM–MDW flights departing between 3–6 AM arrived on time 93% of the time, versus 67% between 3–6 PM.

Sunday scaries are real for this one.

BHM–MDW flights arrived on time 92% of the time on Wednesdays. On Sundays: 79%.

Flights on this route

The breakdown

On-time by weekday
  • Mon84%(76 flights)
  • Tue87%(68 flights)
  • Wed92%(65 flights)
  • Thu84%(76 flights)
  • Fri86%(78 flights)
  • Sat80%(46 flights)
  • Sun79%(89 flights)
On-time by departure window
  • 3–6 AM93%(44 flights)
  • 6–9 AM91%(209 flights)
  • 9 AM–12 PM89%(65 flights)
  • 12–3 PM84%(25 flights)
  • 3–6 PM67%(116 flights)
  • 6–9 PM82%(39 flights)
On-time trend by month
82%
May

Jun 72% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%54
July 202588%57
August 202580%46
September 202594%47
October 202582%56
November 202581%42
December 202584%43
January 202693%29
February 202689%27
March 202683%30
April 202694%33
May 202682%34

Same trip, other airports

Keep nerding

Based on 509 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.