Route
MDW → AUS
Chicago Midway International Airport Austin Bergstrom International Airport
How punctual is this route?
- On-time arrivals
- 75.9%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,374
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 28%
- Air traffic control & airport 20%
- Extreme weather 4%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.6% | 104 |
| October 2025 | 82.4% | 137 |
| November 2025 | 82.0% | 103 |
| December 2025 | 65.4% | 104 |
| January 2026 | 81.4% | 88 |
| February 2026 | 84.9% | 86 |
| March 2026 | 74.0% | 106 |
| April 2026 | 74.8% | 124 |
| May 2026 | 75.4% | 131 |
| June 2026 | 67.4% | 133 |
| July 2026 | 76.3% | 134 |
| August 2026 | 66.1% | 124 |
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 | 1,374 | 75.9% | 0.9% | 51 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1756
32% late · 64 flights
-
WN775
46% late · 60 flights
-
WN3225
12% late · 58 flights
-
WN2648
23% late · 53 flights
-
WN2726
6% late · 52 flights
-
WN2727
18% late · 52 flights
-
WN2776
26% late · 50 flights
-
WN3228
50% late · 50 flights
-
WN1286
9% late · 47 flights
-
WN991
16% late · 46 flights
-
WN667
14% late · 42 flights
-
WN3171
50% late · 36 flights
-
WN2082
50% late · 33 flights
-
WN3227
16% late · 32 flights
-
WN1196
19% late · 31 flights
-
WN2022
10% late · 31 flights
-
WN801
3% late · 31 flights
-
WN818
19% late · 31 flights
-
WN2293
4% late · 28 flights
-
WN234
19% late · 27 flights
-
WN2728
36% late · 26 flights
-
WN709
8% late · 25 flights
-
WN3443
21% late · 24 flights
-
WN2256
17% late · 23 flights
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