Route
MDW → LGA
Chicago Midway International Airport LaGuardia Airport
How punctual is this route?
- On-time arrivals
- 68.1%
- Less than 15 minutes late
- Cancelled
- 4.5%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,391
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 44%
- Late-arriving aircraft 28%
- Airline (crew, maintenance, cleaning) 25%
- Extreme weather 2%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.9% | 198 |
| October 2025 | 63.5% | 204 |
| November 2025 | 66.1% | 191 |
| December 2025 | 62.9% | 198 |
| January 2026 | 85.2% | 197 |
| February 2026 | 80.7% | 183 |
| March 2026 | 50.6% | 197 |
| April 2026 | 68.8% | 196 |
| May 2026 | 69.4% | 202 |
| June 2026 | 61.5% | 206 |
| July 2026 | 62.3% | 211 |
| August 2026 | 65.6% | 208 |
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 | 2,391 | 68.1% | 4.5% | 63 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1603
22% late · 64 flights
-
WN3719
21% late · 64 flights
-
WN2801
8% late · 61 flights
-
WN2804
43% late · 60 flights
-
WN1364
22% late · 58 flights
-
WN2543
4% late · 58 flights
-
WN2706
13% late · 58 flights
-
WN3295
34% late · 58 flights
-
WN2705
46% late · 57 flights
-
WN2704
6% late · 53 flights
-
WN2803
50% late · 52 flights
-
WN4044
34% late · 52 flights
-
WN2708
23% late · 50 flights
-
WN3298
49% late · 50 flights
-
WN4665
17% late · 50 flights
-
WN758
49% late · 50 flights
-
WN3294
20% late · 49 flights
-
WN1646
20% late · 47 flights
-
WN1785
45% late · 41 flights
-
WN4120
75% late · 36 flights
-
WN4291
35% late · 36 flights
-
WN1471
9% late · 34 flights
-
WN3722
39% late · 34 flights
-
WN1423
27% late · 33 flights
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