Air Canada flight AC 4721: Chicago O'Hare - Greenville/Spartanburg

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 07:05 Chicago O'Hare (ORD) 2 10:01 Greenville/Spartanburg (GSP)
AC 4721 Non-stop Canadair CRJ 550 (CR5) 1:56 Effective 2026-02-12 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 4606)
Daily 07:05 Chicago O'Hare (ORD) 2 10:09 Greenville/Spartanburg (GSP)
AC 4721 Non-stop Canadair CRJ 550 (CR5) 2:04 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 4606)
Daily 07:10 Chicago O'Hare (ORD) 2 10:16 Greenville/Spartanburg (GSP)
AC 4721 Non-stop Canadair CRJ 550 (CR5) 2:06 Effective 2026-01-06 through 2026-02-03
Codeshare flight, operated by United Airlines.(UA 4606)
Daily 07:10 Chicago O'Hare (ORD) 2 10:16 Greenville/Spartanburg (GSP)
AC 4721 Non-stop Canadair CRJ 550 (CR5) 2:06 Effective 2026-02-05 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 4606)
Daily 07:10 Chicago O'Hare (ORD) 2 10:06 Greenville/Spartanburg (GSP)
AC 4721 Non-stop Embraer EMB 175 (E7W) 1:56 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 5330)
Daily 07:50 Chicago O'Hare (ORD) 2 10:56 Greenville/Spartanburg (GSP)
AC 4721 Non-stop Canadair CRJ 550 (CR5) 2:06 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 4495)
Daily 09:00 Chicago O'Hare (ORD) 2 11:56 Greenville/Spartanburg (GSP)
AC 4721 Non-stop Embraer EMB 175 (E7W) 1:56 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 5330)
Air Canada flight AC 4721:
Chicago O'Hare - Greenville/Spartanburg
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Air Canada AC4721
Effective 2026-02-12 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4606)
Duration: 1:56, non-stop
Canadair CRJ 550 (CR5)

Direct Codeshare Flights:

Air Canada AC4721
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4606)
Duration: 2:04, non-stop
Canadair CRJ 550 (CR5)

Direct Codeshare Flights:

Air Canada AC4721
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4606)
Duration: 2:06, non-stop
Canadair CRJ 550 (CR5)

Direct Codeshare Flights:

Air Canada AC4721
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4606)
Duration: 2:06, non-stop
Canadair CRJ 550 (CR5)

Direct Codeshare Flights:

Air Canada AC4721
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5330)
Duration: 1:56, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4721
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4495)
Duration: 2:06, non-stop
Canadair CRJ 550 (CR5)

Direct Codeshare Flights:

Air Canada AC4721
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5330)
Duration: 1:56, non-stop
Embraer EMB 175 (E7W)
  • AC 4721 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Greenville/Spartanburg airport (GSP).
  • The flight distance is 577 miles, or 929 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . 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 1:56 and 2:06.