The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Frederick W Smith Intl/Memphis ⇄ San Diego International MEM–SAN

Airlines flew 515 flights between Frederick W Smith Intl/Memphis MEM in Memphis, TN and San Diego International SAN in San Diego, CA in the twelve months to July 2026, both directions together: 138 passengers in 312 seats, 44% of them filled, and 37,301,231 pounds of freight. 1,567 miles, about 199 minutes in the air, on 2 airlines: Federal Express Corporation (513), Southwest Airlines Co. (2). Planning to fly it yourself? The weather and winds along this route right now.

515
flights, twelve months
MEM-SAN: 253 · SAN-MEM: 262
138
passengers
44% of seats filled
1,567
miles
about 199 minutes airborne
2
airlines
4 aircraft types

Flights by month both directions

0122334461/254/257/2510/251/264/26457/26
By month, as a table
flights
1/2545
2/2539
3/2542
4/2542
5/2544
6/2540
7/2544
8/2544
9/2541
10/2546
11/2540
12/2546
1/2643
2/2640
3/2642
4/2644
5/2642
6/2642
7/2645

Passengers by month

03264961281/254/257/2510/251/264/261287/26
By month, as a table
passengers
1/250
2/250
3/250
4/250
5/250
6/250
7/250
8/250
9/250
10/250
11/2510
12/250
1/260
2/260
3/260
4/260
5/260
6/260
7/26128

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Federal Express Corporation FX5130scheduled cargo service
Southwest Airlines Co. WN213844%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 767-300/300ER51200
Boeing 737-700/700LR/Max 71137128
Airbus Industrie A300-600/R/CF/RCF100
Boeing B737 Max 800117510

MEM → SAN this direction alone · flown January 2025 to July 2026

253 flights of 253 scheduled, 0 passengers, 18,670,087 pounds of freight. Federal Express Corporation 253.

SAN → MEM this direction alone · flown January 2025 to July 2026

262 flights of 260 scheduled, 138 passengers in 312 seats, 18,631,144 pounds of freight. Federal Express Corporation 260; Southwest Airlines Co. 2.

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: Frederick W Smith Intl/Memphis MEM and San Diego International SAN; all routes.