United Airlines flight UA 3666: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Thu,Sun 14:43 Norfolk (ORF) 15:54 Dulles, Washington (IAD)
UA 3666 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:11 Effective 2024-09-26 through 2024-10-03
Fri,Sat 14:43 Norfolk (ORF) 15:54 Dulles, Washington (IAD)
UA 3666 Non-stop Embraer EMB 175 (E7W) 1:11 Effective 2024-09-27 through 2024-09-28
Mon-Fri,Sun 14:43 Norfolk (ORF) 15:54 Dulles, Washington (IAD)
UA 3666 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:11 Effective 2024-10-04 through 2024-10-25
Sat 14:43 Norfolk (ORF) 15:54 Dulles, Washington (IAD)
UA 3666 Non-stop Embraer EMB 175 (E7W) 1:11 Effective 2024-10-05 through 2024-10-26
Daily 14:50 Raleigh/Durham (RDU) 2 16:17 Dulles, Washington (IAD)
UA 3666 Non-stop Embraer EMB 175 (E7W) 1:27 Effective 2024-12-19 through 2025-01-06
Daily 14:55 Raleigh/Durham (RDU) 2 16:17 Dulles, Washington (IAD)
UA 3666 Non-stop Embraer EMB 175 (E7W) 1:22 Effective 2024-12-03 through 2024-12-18
Daily 14:55 Raleigh/Durham (RDU) 2 16:21 Dulles, Washington (IAD)
UA 3666 Non-stop Embraer EMB 175 (E7W) 1:26 Effective 2025-01-07 through 2025-02-12
Daily 15:00 Raleigh/Durham (RDU) 2 16:22 Dulles, Washington (IAD)
UA 3666 Non-stop Embraer EMB 175 (E7W) 1:22 Effective 2024-10-27 through 2024-12-02
Sat 16:35 Memphis (MEM) 18:38 Chicago O'Hare (ORD) 2
UA 3666 Non-stop Embraer EMB 175 (E7W) 2:03 Effective 2024-09-07 through 2024-09-21
Mon-Fri 18:19 Fayetteville/Springdale (XNA) 20:25 Chicago O'Hare (ORD) 2
UA 3666 Non-stop Embraer EMB 175 (E7W) 2:06 Valid until 2024-09-06
Mon-Fri,Sun 18:19 Fayetteville/Springdale (XNA) 20:25 Chicago O'Hare (ORD) 2
UA 3666 Non-stop Embraer EMB 175 (E7W) 2:06 Effective 2024-09-08 through 2024-09-24
Wed 18:25 Memphis (MEM) 20:25 Chicago O'Hare (ORD) 2
UA 3666 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:00 Operates only on 2024-09-25
Daily 21:59 Newark Liberty, New York (EWR) C 23:21 Syracuse (SYR)
UA 3666 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:22 Effective from 2025-02-13
This flight number is listed as serving the following routes:


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United Airlines flight UA 3666: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA3666
14:43
Norfolk (ORF)

15:54
Dulles, Washington (IAD)
Effective 2024-09-26 through 2024-10-03
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:11, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3666
14:43
Norfolk (ORF)

15:54
Dulles, Washington (IAD)
Effective 2024-09-27 through 2024-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 1:11, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3666
14:43
Norfolk (ORF)

15:54
Dulles, Washington (IAD)
Effective 2024-10-04 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:11, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3666
14:43
Norfolk (ORF)

15:54
Dulles, Washington (IAD)
Effective 2024-10-05 through 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:11, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3666
14:50
Raleigh/Durham (RDU) 2

16:17
Dulles, Washington (IAD)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3666
14:55
Raleigh/Durham (RDU) 2

16:17
Dulles, Washington (IAD)
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3666
14:55
Raleigh/Durham (RDU) 2

16:21
Dulles, Washington (IAD)
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3666
15:00
Raleigh/Durham (RDU) 2

16:22
Dulles, Washington (IAD)
Effective 2024-10-27 through 2024-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3666
16:35
Memphis (MEM)

18:38
Chicago O'Hare (ORD) 2
Effective 2024-09-07 through 2024-09-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:03, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3666
18:19
Fayetteville/Springdale (XNA)

20:25
Chicago O'Hare (ORD) 2
Valid until 2024-09-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:06, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3666
18:19
Fayetteville/Springdale (XNA)

20:25
Chicago O'Hare (ORD) 2
Effective 2024-09-08 through 2024-09-24
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:06, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3666
18:25
Memphis (MEM)

20:25
Chicago O'Hare (ORD) 2
Operates only on 2024-09-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3666
21:59
Newark Liberty, New York (EWR) C

23:21
Syracuse (SYR)
Effective from 2025-02-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 170 / EMB 175 (E70)
This flight number is listed as serving the following routes:
  • Fayetteville/Springdale (XNA) - Chicago O'Hare (ORD)
  • Memphis (MEM) - Chicago O'Hare (ORD)
  • Newark Liberty, New York (EWR) - Syracuse (SYR)
  • Norfolk (ORF) - Dulles, Washington (IAD)
  • Raleigh/Durham (RDU) - Dulles, Washington (IAD)
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