United Airlines flight UA 4420: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 18:20 Houston George Bush (IAH) 19:29 Lafayette (LFT)
UA 4420 Non-stop Canadair CRJ 550 (CR5) 1:09 Effective 2026-04-30 through 2026-05-20
Daily 20:05 Chicago O'Hare (ORD) 2 21:14 Green Bay (GRB)
UA 4420 Non-stop Canadair CRJ 550 (CR5) 1:09 Effective 2026-03-29 through 2026-04-29
Daily 20:05 Chicago O'Hare (ORD) 2 21:14 Green Bay (GRB)
UA 4420 Non-stop Canadair CRJ 550 (CR5) 1:09 Effective from 2026-05-21
Daily 20:10 Chicago O'Hare (ORD) 2 21:25 Green Bay (GRB)
UA 4420 Non-stop Canadair CRJ 550 (CR5) 1:15 Effective 2026-03-05 through 2026-03-28
Daily 20:15 Chicago O'Hare (ORD) 2 21:31 Green Bay (GRB)
UA 4420 Non-stop Canadair CRJ 550 (CR5) 1:16 Effective 2026-01-06 through 2026-02-11
Daily 20:15 Chicago O'Hare (ORD) 2 21:30 Green Bay (GRB)
UA 4420 Non-stop Canadair CRJ 550 (CR5) 1:15 Effective 2026-02-12 through 2026-03-04
Mon 20:20 Chicago O'Hare (ORD) 2 21:36 Green Bay (GRB)
UA 4420 Non-stop Canadair CRJ 550 (CR5) 1:16 Operates only on 2026-01-05
This flight number is listed as serving the following routes:


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United Airlines flight UA 4420: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4420
18:20
Houston George Bush (IAH)

19:29
Lafayette (LFT)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4420
20:05
Chicago O'Hare (ORD) 2

21:14
Green Bay (GRB)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4420
20:05
Chicago O'Hare (ORD) 2

21:14
Green Bay (GRB)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4420
20:10
Chicago O'Hare (ORD) 2

21:25
Green Bay (GRB)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:15, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4420
20:15
Chicago O'Hare (ORD) 2

21:31
Green Bay (GRB)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:16, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4420
20:15
Chicago O'Hare (ORD) 2

21:30
Green Bay (GRB)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:15, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4420
20:20
Chicago O'Hare (ORD) 2

21:36
Green Bay (GRB)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:16, non-stop
Canadair CRJ 550 (CR5)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Green Bay (GRB)
  • Houston George Bush (IAH) - Lafayette (LFT)
All United Airlines flights
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