Route
MSY → MDW
Louis Armstrong New Orleans International Airport Chicago Midway International Airport
How punctual is this route?
- On-time arrivals
- 73.7%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,014
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 56%
- Airline (crew, maintenance, cleaning) 25%
- Air traffic control & airport 13%
- Extreme weather 5%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.2% | 81 |
| October 2025 | 85.6% | 97 |
| November 2025 | 81.3% | 79 |
| December 2025 | 75.9% | 79 |
| January 2026 | 82.8% | 65 |
| February 2026 | 92.6% | 68 |
| March 2026 | 59.1% | 94 |
| April 2026 | 73.0% | 91 |
| May 2026 | 62.0% | 92 |
| June 2026 | 70.5% | 90 |
| July 2026 | 54.4% | 93 |
| August 2026 | 70.2% | 85 |
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 | 1,014 | 73.7% | 1.1% | 59 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN2156
10% late · 62 flights
-
WN2886
9% late · 58 flights
-
WN508
14% late · 58 flights
-
WN3508
47% late · 57 flights
-
WN676
55% late · 50 flights
-
WN2607
40% late · 46 flights
-
WN4664
30% late · 43 flights
-
WN1436
68% late · 33 flights
-
WN3306
13% late · 31 flights
-
WN3449
0% late · 31 flights
-
WN3974
16% late · 31 flights
-
WN3437
23% late · 30 flights
-
WN864
43% late · 28 flights
-
WN2875
84% late · 27 flights
-
WN498
11% late · 27 flights
-
WN1507
0% late · 25 flights
-
WN3655
0% late · 23 flights
-
WN209
19% late · 21 flights
-
WN3978
6% late · 20 flights
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