Ronald Reagan Washington Ntl ⇄ San Diego International DCA–SAN
Airlines flew 713 flights between Ronald Reagan Washington Ntl DCA in Washington, DC and San Diego International SAN in San Diego, CA in the twelve months to July 2026, both directions together: 91,425 passengers in 114,176 seats, 80% of them filled, and 13,957 pounds of freight. 2,276 miles, about 306 minutes in the air, on 2 airlines: Alaska Airlines Inc. (712), Southwest Airlines Co. (1). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 3/25 | 29 |
| 4/25 | 59 |
| 5/25 | 62 |
| 6/25 | 60 |
| 7/25 | 61 |
| 8/25 | 61 |
| 9/25 | 58 |
| 10/25 | 62 |
| 11/25 | 54 |
| 12/25 | 62 |
| 1/26 | 57 |
| 2/26 | 56 |
| 3/26 | 62 |
| 4/26 | 59 |
| 5/26 | 61 |
| 6/26 | 60 |
| 7/26 | 61 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 3/25 | 3,059 |
| 4/25 | 6,178 |
| 5/25 | 7,216 |
| 6/25 | 7,899 |
| 7/25 | 8,005 |
| 8/25 | 7,825 |
| 9/25 | 6,456 |
| 10/25 | 7,626 |
| 11/25 | 6,530 |
| 12/25 | 7,519 |
| 1/26 | 5,941 |
| 2/26 | 6,718 |
| 3/26 | 8,675 |
| 4/26 | 8,310 |
| 5/26 | 8,157 |
| 6/26 | 8,681 |
| 7/26 | 8,987 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Alaska Airlines Inc. AS | 712 | 91,412 | 80% | scheduled passenger service |
| Southwest Airlines Co. WN | 1 | 13 | 7% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-800 | 606 | 160 | 77,794 |
| Boeing B737 Max 800 | 106 | 160 | 13,494 |
| Boeing B737 Max 900 | 1 | 178 | 137 |
DCA → SAN this direction alone · flown March 2025 to July 2026
355 flights of 372 scheduled, 47,038 passengers in 56,827 seats, 6,547 pounds of freight. Alaska Airlines Inc. 355.
SAN → DCA this direction alone · flown March 2025 to July 2026
358 flights of 368 scheduled, 44,387 passengers in 57,349 seats, 7,410 pounds of freight. Alaska Airlines Inc. 357; Southwest Airlines Co. 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Ronald Reagan Washington Ntl DCA and San Diego International SAN; all routes.