Air Canada flight AC 3588: Denver - San Diego

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 15:49 Denver (DEN) 17:19 San Diego (SAN) 2
AC 3588 Non-stop Boeing 737 MAX 9 (7M9) 2:30 Effective 2026-03-29 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 1281)
Daily 15:50 Denver (DEN) 17:10 San Diego (SAN) 2
AC 3588 Non-stop Airbus A321neo (32Q) 2:20 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 1281)
Daily 15:51 Denver (DEN) 17:26 San Diego (SAN) 2
AC 3588 Non-stop Airbus A321neo (32Q) 2:35 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 1281)
Wed-Fri,Sun 15:55 Denver (DEN) 17:28 San Diego (SAN) 2
AC 3588 Non-stop Airbus A321neo (32Q) 2:33 Effective 2026-01-07 through 2026-01-16
Codeshare flight, operated by United Airlines.(UA 1281)
Sun 15:55 Denver (DEN) 17:27 San Diego (SAN) 2
AC 3588 Non-stop Boeing 737-900 (739) 2:32 Operates only on 2026-01-18
Codeshare flight, operated by United Airlines.(UA 1281)
Mon,Wed-Fri,Sun 15:55 Denver (DEN) 17:28 San Diego (SAN) 2
AC 3588 Non-stop Airbus A321neo (32Q) 2:33 Effective 2026-01-19 through 2026-01-25
Codeshare flight, operated by United Airlines.(UA 1281)
Wed-Fri,Sun 15:55 Denver (DEN) 17:28 San Diego (SAN) 2
AC 3588 Non-stop Airbus A321neo (32Q) 2:33 Effective 2026-01-28 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 1281)
Mon,Tue,Sat 15:56 Denver (DEN) 17:28 San Diego (SAN) 2
AC 3588 Non-stop Boeing 737-900 (739) 2:32 Effective 2026-01-06 through 2026-01-17
Codeshare flight, operated by United Airlines.(UA 1281)
Mon,Tue,Sat 15:56 Denver (DEN) 17:28 San Diego (SAN) 2
AC 3588 Non-stop Boeing 737-900 (739) 2:32 Effective 2026-01-20 through 2026-02-10
Codeshare flight, operated by United Airlines.(UA 1281)
Mon,Tue,Thu,Fri,Sun 16:01 Denver (DEN) 17:34 San Diego (SAN) 2
AC 3588 Non-stop Airbus A321neo (32Q) 2:33 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 779)
Sat 16:02 Denver (DEN) 17:34 San Diego (SAN) 2
AC 3588 Non-stop Boeing 737 MAX 8 (7M8) 2:32 Operates only on 2026-01-03
Codeshare flight, operated by United Airlines.(UA 779)
Mon,Wed-Fri 16:05 Denver (DEN) 17:40 San Diego (SAN) 2
AC 3588 Non-stop Airbus A321neo (32Q) 2:35 Effective 2026-02-12 through 2026-02-20
Codeshare flight, operated by United Airlines.(UA 1281)
Sat 16:05 Denver (DEN) 17:39 San Diego (SAN) 2
AC 3588 Non-stop Boeing 737-800 (738) 2:34 Effective 2026-02-14 through 2026-02-28
Codeshare flight, operated by United Airlines.(UA 1281)
Tue,Sun 16:05 Denver (DEN) 17:39 San Diego (SAN) 2
AC 3588 Non-stop Boeing 737-900 (739) 2:34 Effective 2026-02-15 through 2026-02-22
Codeshare flight, operated by United Airlines.(UA 1281)
Mon,Tue,Sun 16:05 Denver (DEN) 17:39 San Diego (SAN) 2
AC 3588 Non-stop Boeing 737-900 (739) 2:34 Effective 2026-02-23 through 2026-03-03
Codeshare flight, operated by United Airlines.(UA 1281)
Wed-Fri 16:05 Denver (DEN) 17:40 San Diego (SAN) 2
AC 3588 Non-stop Airbus A321neo (32Q) 2:35 Effective 2026-02-25 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 1281)
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Air Canada flight AC 3588:
Denver - San Diego
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC3588
15:49
Denver (DEN)

17:19
San Diego (SAN) 2
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:30, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC3588
15:50
Denver (DEN)

17:10
San Diego (SAN) 2
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:20, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3588
15:51
Denver (DEN)

17:26
San Diego (SAN) 2
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:35, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3588
15:55
Denver (DEN)

17:28
San Diego (SAN) 2
Effective 2026-01-07 through 2026-01-16
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:33, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3588
15:55
Denver (DEN)

17:27
San Diego (SAN) 2
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:32, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3588
15:55
Denver (DEN)

17:28
San Diego (SAN) 2
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:33, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3588
15:55
Denver (DEN)

17:28
San Diego (SAN) 2
Effective 2026-01-28 through 2026-02-11
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:33, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3588
15:56
Denver (DEN)

17:28
San Diego (SAN) 2
Effective 2026-01-06 through 2026-01-17
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:32, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3588
15:56
Denver (DEN)

17:28
San Diego (SAN) 2
Effective 2026-01-20 through 2026-02-10
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:32, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3588
16:01
Denver (DEN)

17:34
San Diego (SAN) 2
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 779)
Duration: 2:33, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3588
16:02
Denver (DEN)

17:34
San Diego (SAN) 2
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 779)
Duration: 2:32, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC3588
16:05
Denver (DEN)

17:40
San Diego (SAN) 2
Effective 2026-02-12 through 2026-02-20
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:35, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3588
16:05
Denver (DEN)

17:39
San Diego (SAN) 2
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:34, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3588
16:05
Denver (DEN)

17:39
San Diego (SAN) 2
Effective 2026-02-15 through 2026-02-22
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:34, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3588
16:05
Denver (DEN)

17:39
San Diego (SAN) 2
Effective 2026-02-23 through 2026-03-03
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:34, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3588
16:05
Denver (DEN)

17:40
San Diego (SAN) 2
Effective 2026-02-25 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1281)
Duration: 2:35, non-stop
Airbus A321neo (32Q)
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  • AC 3588 is a domestic flight departing from the Denver airport (DEN) and arriving at San Diego airport (SAN).
  • The flight distance is 851 miles, or 1370 km.
  • The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 2:20 and 2:35.
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