United Airlines flight UA 3631: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 08:35 Dulles, Washington (IAD) 10:21 New Orleans (MSY)
UA 3631 Non-stop Embraer EMB 175 (E7W) 2:46 Effective 2025-08-02 through 2025-08-16
Mon-Fri,Sun 10:04 South Bend (SBN) 11:48 Dulles, Washington (IAD)
UA 3631 Non-stop Embraer EMB 175 (E7W) 1:44 Effective 2025-06-02 through 2025-06-25
Daily 10:25 New York LaGuardia (LGA) B 11:54 Dulles, Washington (IAD)
UA 3631 Non-stop Embraer EMB 175 (E7W) 1:29 Effective 2025-09-25 through 2025-10-25
Mon-Fri,Sun 10:27 New York LaGuardia (LGA) B 11:53 Dulles, Washington (IAD)
UA 3631 Non-stop Embraer EMB 175 (E7W) 1:26 Effective 2025-05-22 through 2025-06-01
Mon,Tue,Thu,Fri,Sun 10:29 New York LaGuardia (LGA) B 11:53 Dulles, Washington (IAD)
UA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:24 Effective 2025-06-26 through 2025-07-01
Fri 10:29 New York LaGuardia (LGA) B 11:53 Dulles, Washington (IAD)
UA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:24 Operates only on 2025-07-04
Mon-Fri,Sun 10:29 New York LaGuardia (LGA) B 11:55 Dulles, Washington (IAD)
UA 3631 Non-stop Embraer EMB 175 (E7W) 1:26 Effective 2025-08-01 through 2025-08-22
Daily 10:29 New York LaGuardia (LGA) B 11:55 Dulles, Washington (IAD)
UA 3631 Non-stop Embraer EMB 175 (E7W) 1:26 Effective 2025-08-23 through 2025-09-24
Daily 10:29 New York LaGuardia (LGA) B 11:55 Dulles, Washington (IAD)
UA 3631 Non-stop Embraer EMB 175 (E7W) 1:26 Effective from 2025-10-26
Sat 11:18 Myrtle Beach (MYR) 12:55 Chicago O'Hare (ORD) 2
UA 3631 Non-stop Embraer EMB 175 (E7W) 2:37 Effective 2025-05-24 through 2025-06-21
Thu 14:00 Boston Logan (BOS) B 15:33 Newark Liberty, New York (EWR) C
UA 3631 Non-stop Embraer EMB 175 (E7W) 1:33 Operates only on 2025-05-01
Sat 14:00 Boston Logan (BOS) B 15:33 Newark Liberty, New York (EWR) C
UA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:33 Effective 2025-05-03 through 2025-05-17
Sat 15:47 Newark Liberty, New York (EWR) C 18:10 New Orleans (MSY)
UA 3631 Non-stop Embraer EMB 175 (E7W) 3:23 Effective 2025-06-28 through 2025-07-26
Mon,Wed-Fri 18:20 Nashville (BNA) 20:24 Chicago O'Hare (ORD) 2
UA 3631 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:04 Effective 2025-05-05 through 2025-05-21
Sun 18:20 Nashville (BNA) 20:24 Chicago O'Hare (ORD) 2
UA 3631 Non-stop Embraer EMB 175 (E7W) 2:04 Effective 2025-05-11 through 2025-05-18
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This flight number is listed as serving the following routes:


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United Airlines flight UA 3631: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA3631
08:35
Dulles, Washington (IAD)

10:21
New Orleans (MSY)
Effective 2025-08-02 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:46, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3631
10:04
South Bend (SBN)

11:48
Dulles, Washington (IAD)
Effective 2025-06-02 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3631
10:25
New York LaGuardia (LGA) B

11:54
Dulles, Washington (IAD)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3631
10:27
New York LaGuardia (LGA) B

11:53
Dulles, Washington (IAD)
Effective 2025-05-22 through 2025-06-01
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:26, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3631
10:29
New York LaGuardia (LGA) B

11:53
Dulles, Washington (IAD)
Effective 2025-06-26 through 2025-07-01
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:24, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3631
10:29
New York LaGuardia (LGA) B

11:53
Dulles, Washington (IAD)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:24, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3631
10:29
New York LaGuardia (LGA) B

11:55
Dulles, Washington (IAD)
Effective 2025-08-01 through 2025-08-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:26, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3631
10:29
New York LaGuardia (LGA) B

11:55
Dulles, Washington (IAD)
Effective 2025-08-23 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3631
10:29
New York LaGuardia (LGA) B

11:55
Dulles, Washington (IAD)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3631
11:18
Myrtle Beach (MYR)

12:55
Chicago O'Hare (ORD) 2
Effective 2025-05-24 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:37, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3631
14:00
Boston Logan (BOS) B

15:33
Newark Liberty, New York (EWR) C
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:33, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3631
14:00
Boston Logan (BOS) B

15:33
Newark Liberty, New York (EWR) C
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:33, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3631
15:47
Newark Liberty, New York (EWR) C

18:10
New Orleans (MSY)
Effective 2025-06-28 through 2025-07-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:23, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3631
18:20
Nashville (BNA)

20:24
Chicago O'Hare (ORD) 2
Effective 2025-05-05 through 2025-05-21
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:04, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3631
18:20
Nashville (BNA)

20:24
Chicago O'Hare (ORD) 2
Effective 2025-05-11 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:04, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Boston Logan (BOS) - Newark Liberty, New York (EWR)
  • Dulles, Washington (IAD) - New Orleans (MSY)
  • Myrtle Beach (MYR) - Chicago O'Hare (ORD)
  • Nashville (BNA) - Chicago O'Hare (ORD)
  • New York LaGuardia (LGA) - Dulles, Washington (IAD)
  • Newark Liberty, New York (EWR) - New Orleans (MSY)
  • South Bend (SBN) - Dulles, Washington (IAD)
All United Airlines flights
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