Route
MDW → IND
Chicago Midway International Airport Indianapolis International Airport
How punctual is this route?
- On-time arrivals
- 81.1%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 68 min
- Flights arriving 15+ minutes late
- Flights tracked
- 740
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 58%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 7%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.7% | 60 |
| October 2025 | 83.9% | 62 |
| November 2025 | 84.5% | 60 |
| December 2025 | 84.1% | 63 |
| January 2026 | 87.3% | 64 |
| February 2026 | 93.0% | 57 |
| March 2026 | 78.0% | 62 |
| April 2026 | 92.3% | 66 |
| May 2026 | 83.3% | 62 |
| June 2026 | 74.6% | 60 |
| July 2026 | 69.4% | 62 |
| August 2026 | 61.3% | 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 | 740 | 81.1% | 1.4% | 68 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN3710
24% late · 64 flights
-
WN103
7% late · 58 flights
-
WN1498
4% late · 58 flights
-
WN1073
20% late · 57 flights
-
WN3877
17% late · 52 flights
-
WN1679
13% late · 47 flights
-
WN3190
46% late · 36 flights
-
WN203
39% late · 33 flights
-
WN3059
6% late · 33 flights
-
WN1821
23% late · 31 flights
-
WN2303
26% late · 31 flights
-
WN167
10% late · 30 flights
-
WN3037
0% late · 26 flights
-
WN2738
62% late · 24 flights
-
WN4768
21% late · 24 flights
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