Route
BHM → MDW
Birmingham-Shuttlesworth International Airport Chicago Midway International Airport
570 miles
Return route MDW → BHM →
How punctual is this route?
- On-time arrivals
- 85.9%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 440
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 35%
- Late-arriving aircraft 34%
- Air traffic control & airport 31%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.5% | 47 |
| October 2025 | 82.1% | 56 |
| November 2025 | 78.6% | 45 |
| December 2025 | 83.7% | 44 |
| January 2026 | 93.1% | 30 |
| February 2026 | 88.9% | 27 |
| March 2026 | 83.3% | 31 |
| April 2026 | 93.9% | 33 |
| May 2026 | 82.4% | 35 |
| June 2026 | 86.7% | 30 |
| July 2026 | 96.8% | 31 |
| August 2026 | 74.2% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 440 | 85.9% | 0.7% | 61 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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