United Airlines
flight
UA 4187:
Multiple routes
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4187
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4187
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4187
Effective 2026-04-30 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4187
Valid until 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4187
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4187
Effective 2026-03-05 through 2026-03-13
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:33, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4187
Effective 2026-03-14 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:33, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4187
Operates only on 2026-03-07
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:33, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4187
Operates only on 2026-02-04
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:57, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4187
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - Knoxville (TYS)
- Pittsburgh (PIT) - Chicago O'Hare (ORD)
- Washington Dulles (IAD) - Newark Liberty, New York (EWR)