San Diego to Denver Flights SAN → DEN

San Diego International Airport → Denver International Airport

🇺🇸 San Diego, US → 🇺🇸 Denver, US

The San Diego to Denver route connects San Diego International Airport (SAN) in US with Denver International Airport (DEN) in US. This short-haul flight covers approximately 853 miles (1373 km) with a typical flight time of 1h 55m. This route is served by 5 airlines: Southwest, United, Frontier and others. AirportRoutes has tracked 28 daily flights on this route.

Departure Airport

San Diego International Airport

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

Destination Airport

Denver International Airport

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

5

Operators

28

Daily Flights

853

Miles

1h 55m

Flight Duration

Route Map

Great Circle
Flight route map from San Diego to Denver
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 28 13%
Tuesday 37 17%
Wednesday 28 13%
Thursday 47 21%
Friday 23 10%
Saturday 24 11%
Sunday 36 16%

Pattern Analysis

28 Daily Flights:
SWA1136 UAL283 FFT2818 UAL682 ASA1492 SWA3945 SKW3046 SWA3389 SWA3390 ASA1429 SWA534 SWA1655 SWA2089 SWA2525 SWA3122 SWA3138 SWA3388 SWA3946 SWA4875 SWA8507 UAL519 UAL1969 UAL2270 UAL3921 FFT4928 SKW289 SKW3029 SKW6080
Data Points: 223
API observations used to build this analysis
Weekdays: 163 flights
Weekend: 60 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
ASA1492 ASA1429 B39M 08:00 8:00 AM (Representative)
M T W T F S S
Feb 11, 2026 Active
Frontier
FFT / F9
FFT2818 FFT4928 A21N 06:30 6:30 AM (Representative)
M T W T F S S
Feb 8, 2026 Active
SkyWest
SKW / OO
SKW3046 SKW289 SKW3029 SKW6080 E75L 20:09 8:09 PM (Representative)
M T W T F S S
Feb 6, 2026 Active
Southwest
SWA / WN
SWA1136 SWA3945 SWA3389 SWA3390 SWA534 B38M 16:20 4:20 PM (Representative)
M T W T F S S
Feb 11, 2026 Active
United
UAL / UA
UAL283 UAL682 UAL519 UAL1969 UAL2270 B739 16:10 4:10 PM (Representative)
M T W T F S S
Feb 11, 2026 Active
Total Routes: 5
Active Routes: 5
Unique Airlines: 5
Aircraft Types: 5

Spotted Departure Times

Departure Time Operator ICAO IATA
06:30 6:30 AM Frontier FFT F9
08:00 8:00 AM Alaska Airlines ASA AS
16:10 4:10 PM United UAL UA
16:20 4:20 PM Southwest SWA WN
20:09 8:09 PM SkyWest SKW OO

Time Information

Times are shown in the departure airport's local timezone (KSAN - America/Los_Angeles).

Total Departure Times: 5
Time Range:
06:30 - 20:09
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.