Route
MCI → MDW
Kansas City International Airport Chicago Midway International Airport
How punctual is this route?
- On-time arrivals
- 80.4%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,112
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 15%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.7% | 178 |
| October 2025 | 77.8% | 198 |
| November 2025 | 84.8% | 157 |
| December 2025 | 77.6% | 165 |
| January 2026 | 86.2% | 152 |
| February 2026 | 89.0% | 137 |
| March 2026 | 76.0% | 174 |
| April 2026 | 84.0% | 172 |
| May 2026 | 74.4% | 177 |
| June 2026 | 73.1% | 195 |
| July 2026 | 82.5% | 213 |
| August 2026 | 79.7% | 194 |
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 | 2,112 | 80.4% | 0.9% | 58 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN3814
8% late · 75 flights
-
WN4276
7% late · 61 flights
-
WN1623
9% late · 58 flights
-
WN3178
29% late · 57 flights
-
WN1774
12% late · 52 flights
-
WN2571
18% late · 52 flights
-
WN547
16% late · 50 flights
-
WN2749
6% late · 47 flights
-
WN3190
15% late · 47 flights
-
WN1226
13% late · 46 flights
-
WN2931
20% late · 46 flights
-
WN2572
53% late · 44 flights
-
WN864
23% late · 44 flights
-
WN345
34% late · 43 flights
-
WN2780
24% late · 42 flights
-
WN3313
18% late · 40 flights
-
WN2227
16% late · 37 flights
-
WN2569
3% late · 36 flights
-
WN2407
15% late · 33 flights
-
WN366
12% late · 33 flights
-
WN1569
35% late · 31 flights
-
WN2267
13% late · 31 flights
-
WN2839
26% late · 31 flights
-
WN3225
50% late · 31 flights
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