Air Canada
flight
AC 4030:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-03-30 through 2026-04-06
Mon
Tue
-
-
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-04-07 through 2026-04-14
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-04-15 through 2026-04-24
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-04-25 through 2026-05-02
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-05-05 through 2026-05-09
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-05-15 through 2026-05-22
Mon
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-05-23 through 2026-05-30
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-05-31 through 2026-06-07
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-06-08 through 2026-06-15
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-06-16 through 2026-06-23
Mon
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-06-24 through 2026-07-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-07-19 through 2026-07-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-08-02 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-08-19 through 2026-08-20
Mon
-
-
Tue
-
-
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-08-28 through 2026-08-29
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-09-08 through 2026-09-09
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-09-16 through 2026-09-18
Mon
-
-
Tue
-
-
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-09-24 through 2026-10-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-10-10 through 2026-10-11
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1688)
Duration: 3:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-02-12 through 2026-03-03
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5482)
Duration: 2:39, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-02-18 through 2026-03-04
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5482)
Duration: 2:36, non-stop Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Air Canada AC4030
Operates only on 2026-02-04
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1231)
Duration: 2:31, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-01-07 through 2026-01-16
Mon
Tue
-
-
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 4771)
Duration: 2:37, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-01-19 through 2026-02-02
Mon
Tue
-
-
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 4771)
Duration: 2:37, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-02-05 through 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 4771)
Duration: 2:37, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Operates only on 2026-02-11
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1231)
Duration: 2:28, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 5287)
Duration: 2:34, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Operates only on 2026-01-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 4771)
Duration: 2:33, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1355)
Duration: 2:28, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-03-29 through 2026-04-05
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-04-08 through 2026-04-09
Mon
-
-
Tue
-
-
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Operates only on 2026-04-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-04-26 through 2026-05-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-05-04 through 2026-05-11
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-05-12 through 2026-05-17
Mon
-
-
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-05-20 through 2026-05-27
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-05-28 through 2026-06-05
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-06-09 through 2026-06-13
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-06-17 through 2026-06-21
Mon
-
-
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Operates only on 2026-07-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Operates only on 2026-08-01
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-08-18 through 2026-08-25
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-08-26 through 2026-09-03
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-09-04 through 2026-09-14
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-09-15 through 2026-09-22
Mon
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-09-23 through 2026-10-07
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective 2026-10-08 through 2026-10-16
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4030
Effective from 2026-10-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5375)
Duration: 2:29, non-stop Embraer EMB 175 (E7W)
This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - Austin (AUS)
- San Francisco (SFO) - Albuquerque (ABQ)