Route
MDW → MSY
Chicago Midway International Airport Louis Armstrong New Orleans International Airport
How punctual is this route?
- On-time arrivals
- 74.4%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 55 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,012
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 49%
- Airline (crew, maintenance, cleaning) 37%
- Air traffic control & airport 12%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.0% | 81 |
| October 2025 | 78.4% | 97 |
| November 2025 | 85.5% | 79 |
| December 2025 | 73.4% | 79 |
| January 2026 | 87.9% | 66 |
| February 2026 | 84.8% | 66 |
| March 2026 | 75.6% | 93 |
| April 2026 | 76.4% | 91 |
| May 2026 | 67.4% | 92 |
| June 2026 | 61.4% | 90 |
| July 2026 | 71.9% | 93 |
| August 2026 | 58.8% | 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 | 1,012 | 74.4% | 1.4% | 55 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1434
22% late · 64 flights
-
WN2232
14% late · 64 flights
-
WN2671
31% late · 58 flights
-
WN2727
7% late · 58 flights
-
WN2836
39% late · 52 flights
-
WN1442
28% late · 50 flights
-
WN2015
16% late · 50 flights
-
WN3209
21% late · 40 flights
-
WN3743
71% late · 36 flights
-
WN2834
23% late · 35 flights
-
WN2375
10% late · 31 flights
-
WN3851
10% late · 31 flights
-
WN1706
32% late · 28 flights
-
WN2381
7% late · 28 flights
-
WN2549
12% late · 28 flights
-
WN2729
30% late · 27 flights
-
WN573
22% late · 23 flights
-
WN5702
32% late · 22 flights
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