🇺🇸 DEN
Denver
853 mi
SAN 🇺🇸
San Diego

Denver to San Diego Flights

Denver International Airport San Diego International Airport 5 airlines

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The Denver to San Diego route connects Denver International Airport (DEN) in US with San Diego International Airport (SAN) in US. This short-haul flight covers approximately 853 miles (1373 km) with a typical flight time of 2h 0m. This route is served by 5 airlines: Southwest, United, Frontier and others. AirportRoutes has tracked 30 unique flight numbers on this route.

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Departure Airport

Denver International Airport

ICAO Code:
KDEN
IATA Code:
DEN
City:
🇺🇸 Denver
Country:
US
Elevation:
5431 ft

Destination Airport

San Diego International Airport

ICAO Code:
KSAN
IATA Code:
SAN
City:
🇺🇸 San Diego
Country:
US
Elevation:
17 ft

5

Operators

30

Tracked Flights

853

Miles

2h 0m

Flight Duration

Route Map

Great Circle
Flight route map from Denver to San Diego
Map data © Mapbox © OpenStreetMap contributors

Operating Airlines

Airline ICAO IATA
Southwest SWA WN
United UAL UA
Frontier FFT F9
Alaska Airlines ASA AS
SkyWest SKW OO

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 11 11%
Tuesday 9 9%
Wednesday 17 17%
Thursday 26 26%
Friday 14 14%
Saturday 11 11%
Sunday 12 12%

Pattern Analysis

30 Tracked Flights:
Data Points: 100
API observations used to build this analysis
Weekdays: 77 flights
Weekend: 23 flights
Business Route More active on weekdays

All Flight Routes

5 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
B739 13:10 1:10 PM (Representative)
M T W T F S S
Jul 28, 2026 Active
Frontier
FFT / F9
A21N 22:29 10:29 PM (Representative)
M T W T F S S
Jul 28, 2026 Active
SkyWest
SKW / OO
E75L 12:51 12:51 PM (Representative)
M T W T F S S
Apr 23, 2026 Active
Southwest
SWA / WN
B38M 20:20 8:20 PM (Representative)
M T W T F S S
Jul 28, 2026 Active
United
UAL / UA
B739 07:45 7:45 AM (Representative)
M T W T F S S
Jul 28, 2026 Active
Total Routes: 5
Active Routes: 5
Unique Airlines: 5
Aircraft Types: 5

Spotted Departure Times

Departure Time Operator ICAO IATA
07:45 7:45 AM United UAL UA
12:51 12:51 PM SkyWest SKW OO
13:10 1:10 PM Alaska Airlines ASA AS
20:20 8:20 PM Southwest SWA WN
22:29 10:29 PM Frontier FFT F9

Time Information

Times are shown in the departure airport's local timezone (UTC).

Total Departure Times: 5
Time Range:
07:45 - 22:29
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.