Route
HOU → MDW
William P. Hobby Airport Chicago Midway International Airport
How punctual is this route?
- On-time arrivals
- 70.6%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 55 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,843
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Airline (crew, maintenance, cleaning) 36%
- Air traffic control & airport 19%
- Extreme weather 2%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 88.9% | 163 |
| October 2025 | 79.2% | 154 |
| November 2025 | 74.3% | 145 |
| December 2025 | 77.1% | 144 |
| January 2026 | 84.4% | 129 |
| February 2026 | 78.3% | 116 |
| March 2026 | 60.4% | 161 |
| April 2026 | 73.5% | 150 |
| May 2026 | 70.5% | 149 |
| June 2026 | 50.6% | 169 |
| July 2026 | 56.2% | 193 |
| August 2026 | 63.5% | 170 |
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 | 1,843 | 70.6% | 1.0% | 55 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN2942
32% late · 64 flights
-
WN851
16% late · 64 flights
-
WN2941
15% late · 63 flights
-
WN2044
69% late · 60 flights
-
WN2002
14% late · 58 flights
-
WN2963
23% late · 58 flights
-
WN4707
11% late · 57 flights
-
WN1676
16% late · 55 flights
-
WN1910
15% late · 55 flights
-
WN2042
65% late · 52 flights
-
WN2373
34% late · 50 flights
-
WN2275
32% late · 45 flights
-
WN123
45% late · 42 flights
-
WN2041
66% late · 35 flights
-
WN2649
26% late · 33 flights
-
WN3433
76% late · 33 flights
-
WN1726
13% late · 31 flights
-
WN2145
29% late · 31 flights
-
WN2954
10% late · 31 flights
-
WN4214
6% late · 31 flights
-
WN1325
11% late · 28 flights
-
WN1575
48% late · 28 flights
-
WN2039
7% late · 27 flights
-
WN2043
52% late · 27 flights
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