Route
MDW → GRR
Chicago Midway International Airport Gerald R. Ford International Airport
How punctual is this route?
- On-time arrivals
- 74.6%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 932
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 32%
- Air traffic control & airport 13%
- Extreme weather 4%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.4% | 86 |
| October 2025 | 84.1% | 88 |
| November 2025 | 87.7% | 59 |
| December 2025 | 65.0% | 60 |
| January 2026 | 78.7% | 62 |
| February 2026 | 78.6% | 56 |
| March 2026 | 79.8% | 85 |
| April 2026 | 75.0% | 86 |
| May 2026 | 72.4% | 87 |
| June 2026 | 64.7% | 86 |
| July 2026 | 65.9% | 89 |
| August 2026 | 66.7% | 88 |
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 | 932 | 74.6% | 0.9% | 62 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN2825
21% late · 64 flights
-
WN3707
27% late · 60 flights
-
WN1955
54% late · 58 flights
-
WN2691
30% late · 58 flights
-
WN3272
10% late · 58 flights
-
WN4972
11% late · 55 flights
-
WN4113
52% late · 52 flights
-
WN2779
16% late · 51 flights
-
WN1893
56% late · 36 flights
-
WN114
38% late · 33 flights
-
WN3940
18% late · 33 flights
-
WN3364
13% late · 31 flights
-
WN2755
12% late · 24 flights
-
WN1674
9% late · 23 flights
-
WN2243
35% late · 23 flights
-
WN3822
13% late · 23 flights
-
WN3539
10% late · 20 flights
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