Route
BNA → MDW
Nashville International Airport Chicago Midway International Airport
How punctual is this route?
- On-time arrivals
- 73.6%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,898
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 57%
- Airline (crew, maintenance, cleaning) 25%
- Air traffic control & airport 15%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.9% | 159 |
| October 2025 | 78.8% | 170 |
| November 2025 | 81.2% | 160 |
| December 2025 | 80.8% | 152 |
| January 2026 | 90.2% | 131 |
| February 2026 | 83.2% | 120 |
| March 2026 | 79.2% | 164 |
| April 2026 | 75.3% | 166 |
| May 2026 | 60.6% | 171 |
| June 2026 | 54.9% | 157 |
| July 2026 | 56.3% | 176 |
| August 2026 | 61.8% | 172 |
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 | 1,898 | 73.6% | 1.2% | 54 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN573
11% late · 75 flights
-
WN1191
11% late · 64 flights
-
WN578
60% late · 60 flights
-
WN2246
13% late · 58 flights
-
WN690
5% late · 58 flights
-
WN3711
38% late · 57 flights
-
WN698
46% late · 57 flights
-
WN1190
7% late · 56 flights
-
WN575
49% late · 55 flights
-
WN695
52% late · 50 flights
-
WN697
51% late · 49 flights
-
WN2997
9% late · 47 flights
-
WN1193
17% late · 43 flights
-
WN2241
76% late · 43 flights
-
WN4286
74% late · 43 flights
-
WN1195
29% late · 42 flights
-
WN2954
12% late · 42 flights
-
WN2792
26% late · 33 flights
-
WN998
27% late · 33 flights
-
WN2030
12% late · 32 flights
-
WN1252
23% late · 31 flights
-
WN3565
19% late · 31 flights
-
WN3575
0% late · 31 flights
-
WN1417
7% late · 30 flights
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