Route
MDW → SAN
Chicago Midway International Airport San Diego International Airport
Alerts at MDW and SAN
-
Read the story →
Watch Ground Delay Program SAN
Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes
Reason: airport volume
Airport status
How punctual is this route?
- On-time arrivals
- 69.2%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,110
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 27%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 75.3% | 86 |
| October 2025 | 85.1% | 89 |
| November 2025 | 77.1% | 86 |
| December 2025 | 69.2% | 91 |
| January 2026 | 83.6% | 67 |
| February 2026 | 77.3% | 66 |
| March 2026 | 72.7% | 102 |
| April 2026 | 67.6% | 103 |
| May 2026 | 68.0% | 105 |
| June 2026 | 50.0% | 103 |
| July 2026 | 71.2% | 106 |
| August 2026 | 46.7% | 106 |
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 | 1,110 | 69.2% | 1.2% | 54 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN2884
51% late · 60 flights
-
WN2755
12% late · 58 flights
-
WN1357
16% late · 57 flights
-
WN3103
8% late · 52 flights
-
WN4648
44% late · 52 flights
-
WN2305
40% late · 50 flights
-
WN3541
42% late · 50 flights
-
WN1656
6% late · 47 flights
-
WN2714
20% late · 46 flights
-
WN1021
27% late · 41 flights
-
WN2126
16% late · 33 flights
-
WN2815
52% late · 32 flights
-
WN3236
23% late · 31 flights
-
WN1859
14% late · 28 flights
-
WN2814
46% late · 28 flights
-
WN3994
14% late · 28 flights
-
WN3996
33% late · 28 flights
-
WN2883
78% late · 27 flights
-
WN3745
4% late · 27 flights
-
WN3591
43% late · 24 flights
-
WN4802
48% late · 24 flights
Reviews
No reviews yet. Be the first to review this route.