Route
BWI → SAN
Baltimore/Washington International Thurgood Marshall Airport San Diego International Airport
Alerts at BWI 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
- 72.9%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,165
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 40%
- Late-arriving aircraft 33%
- Air traffic control & airport 24%
- Extreme weather 3%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.5% | 82 |
| October 2025 | 76.0% | 101 |
| November 2025 | 87.5% | 97 |
| December 2025 | 67.0% | 102 |
| January 2026 | 83.5% | 90 |
| February 2026 | 82.1% | 80 |
| March 2026 | 80.4% | 105 |
| April 2026 | 66.0% | 103 |
| May 2026 | 79.0% | 106 |
| June 2026 | 51.0% | 103 |
| July 2026 | 71.6% | 106 |
| August 2026 | 51.7% | 90 |
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 | 1,165 | 72.9% | 1.4% | 54 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN496
31% late · 63 flights
-
WN1089
51% late · 60 flights
-
WN1301
19% late · 58 flights
-
WN1306
33% late · 58 flights
-
WN1900
25% late · 58 flights
-
WN2138
16% late · 58 flights
-
WN4458
8% late · 55 flights
-
WN4487
14% late · 53 flights
-
WN1088
61% late · 43 flights
-
WN1304
45% late · 42 flights
-
WN2993
17% late · 41 flights
-
WN2308
25% late · 33 flights
-
WN3401
12% late · 33 flights
-
WN1931
13% late · 30 flights
-
WN1073
43% late · 28 flights
-
WN1076
64% late · 28 flights
-
WN1742
36% late · 28 flights
-
WN1086
15% late · 27 flights
-
WN1181
33% late · 27 flights
-
WN1876
17% late · 24 flights
-
WN4817
35% late · 24 flights
-
WN1919
18% late · 23 flights
-
WN1932
27% late · 22 flights
-
WN4743
27% late · 22 flights
Reviews
No reviews yet. Be the first to review this route.