Route
MDW → CMH
Chicago Midway International Airport John Glenn Columbus International Airport
How punctual is this route?
- On-time arrivals
- 80.9%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,235
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 52%
- Airline (crew, maintenance, cleaning) 32%
- Air traffic control & airport 12%
- Security 2%
- Extreme weather 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.4% | 116 |
| October 2025 | 75.6% | 119 |
| November 2025 | 83.7% | 103 |
| December 2025 | 77.9% | 104 |
| January 2026 | 89.3% | 89 |
| February 2026 | 85.4% | 83 |
| March 2026 | 81.0% | 89 |
| April 2026 | 86.4% | 89 |
| May 2026 | 78.3% | 92 |
| June 2026 | 77.5% | 113 |
| July 2026 | 71.6% | 119 |
| August 2026 | 77.8% | 119 |
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 | 1,235 | 80.9% | 1.8% | 53 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1972
30% late · 58 flights
-
WN2205
16% late · 53 flights
-
WN4043
44% late · 52 flights
-
WN277
6% late · 51 flights
-
WN4594
37% late · 51 flights
-
WN3155
18% late · 49 flights
-
WN1989
7% late · 44 flights
-
WN4093
7% late · 43 flights
-
WN2266
5% late · 42 flights
-
WN3383
34% late · 42 flights
-
WN411
17% late · 42 flights
-
WN2015
2% late · 41 flights
-
WN114
20% late · 35 flights
-
WN1940
12% late · 33 flights
-
WN1944
33% late · 33 flights
-
WN2684
13% late · 31 flights
-
WN1149
23% late · 28 flights
-
WN586
11% late · 28 flights
-
WN1826
0% late · 27 flights
-
WN2549
22% late · 27 flights
-
WN2701
25% late · 24 flights
-
WN2703
38% late · 24 flights
-
WN261
14% late · 22 flights
-
WN644
38% late · 21 flights
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