Route
MEM → MDW
Frederick W. Smith International Airport Chicago Midway International Airport
How punctual is this route?
- On-time arrivals
- 83.4%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 675
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 19%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.9% | 56 |
| October 2025 | 94.8% | 58 |
| November 2025 | 82.7% | 54 |
| December 2025 | 84.5% | 58 |
| January 2026 | 89.2% | 40 |
| February 2026 | 90.5% | 43 |
| March 2026 | 72.7% | 60 |
| April 2026 | 88.3% | 60 |
| May 2026 | 77.4% | 62 |
| June 2026 | 77.6% | 60 |
| July 2026 | 70.5% | 62 |
| August 2026 | 83.9% | 62 |
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 | 675 | 83.4% | 1.8% | 61 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN3345
42% late · 60 flights
-
WN3410
5% late · 57 flights
-
WN3408
9% late · 46 flights
-
WN2906
5% late · 42 flights
-
WN3610
20% late · 41 flights
-
WN2916
11% late · 35 flights
-
WN2694
3% late · 33 flights
-
WN3180
44% late · 33 flights
-
WN1081
28% late · 32 flights
-
WN130
7% late · 30 flights
-
WN2851
11% late · 28 flights
-
WN3787
11% late · 27 flights
-
WN2321
40% late · 25 flights
-
WN3863
0% late · 23 flights
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