United Airlines flight UA 3644: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Syracuse (SYR) 07:22 Newark Liberty, New York (EWR) C
UA 3644 Non-stop Embraer EMB 175 (E7W) 1:22 Valid until 2025-05-08
Fri 06:00 Syracuse (SYR) 07:22 Newark Liberty, New York (EWR) C
UA 3644 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:22 Operates only on 2025-05-09
Daily 06:00 Syracuse (SYR) 07:22 Newark Liberty, New York (EWR) C
UA 3644 Non-stop Embraer EMB 175 (E7W) 1:22 Effective 2025-05-10 through 2025-05-21
Mon,Wed-Sun 06:00 Syracuse (SYR) 07:18 Newark Liberty, New York (EWR) C
UA 3644 Non-stop Embraer EMB 175 (E7W) 1:18 Effective 2025-05-22 through 2025-06-02
Tue 06:00 Syracuse (SYR) 07:18 Newark Liberty, New York (EWR) C
UA 3644 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:18 Operates only on 2025-05-27
Daily 06:00 Syracuse (SYR) 07:18 Newark Liberty, New York (EWR) C
UA 3644 Non-stop Embraer EMB 175 (E7W) 1:18 Effective 2025-06-03 through 2025-06-25
Daily 06:00 Syracuse (SYR) 07:22 Newark Liberty, New York (EWR) C
UA 3644 Non-stop Embraer EMB 175 (E7W) 1:22 Effective 2025-09-25 through 2025-10-25
Daily 06:07 Syracuse (SYR) 07:24 Newark Liberty, New York (EWR) C
UA 3644 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:17 Effective from 2025-10-26
Wed,Sat 08:50 Chicago O'Hare (ORD) 2 12:22 Hartford (BDL)
UA 3644 Non-stop Embraer EMB 175 (E7W) 2:32 Effective 2025-06-28 through 2025-07-30
Mon,Tue,Thu,Fri,Sun 10:55 Madison (MSN) 12:05 Chicago O'Hare (ORD) 2
UA 3644 Non-stop Embraer EMB 175 (E7W) 1:10 Effective 2025-06-26 through 2025-08-18
Mon,Thu,Fri,Sun 13:55 Chicago O'Hare (ORD) 2 17:37 Portland (PWM)
UA 3644 Non-stop Embraer EMB 175 (E7W) 2:42 Effective 2025-06-26 through 2025-07-03
Mon,Thu,Fri,Sun 13:55 Chicago O'Hare (ORD) 2 17:37 Portland (PWM)
UA 3644 Non-stop Embraer EMB 175 (E7W) 2:42 Effective 2025-07-06 through 2025-07-31
Non-Direct Flights:
Mon,Thu,Fri,Sun 10:55 Madison (MSN) 17:37 Portland (PWM)
UA 3644 1-stop Embraer EMB 175 (E7W) 5:42 Effective 2025-06-26 through 2025-07-03
Mon,Thu,Fri,Sun 10:55 Madison (MSN) 17:37 Portland (PWM)
UA 3644 1-stop Embraer EMB 175 (E7W) 5:42 Effective 2025-07-06 through 2025-07-31
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This flight number is listed as serving the following routes:


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United Airlines flight UA 3644: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA3644
06:00
Syracuse (SYR)

07:22
Newark Liberty, New York (EWR) C
Valid until 2025-05-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3644
06:00
Syracuse (SYR)

07:22
Newark Liberty, New York (EWR) C
Operates only on 2025-05-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:22, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3644
06:00
Syracuse (SYR)

07:22
Newark Liberty, New York (EWR) C
Effective 2025-05-10 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3644
06:00
Syracuse (SYR)

07:18
Newark Liberty, New York (EWR) C
Effective 2025-05-22 through 2025-06-02
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3644
06:00
Syracuse (SYR)

07:18
Newark Liberty, New York (EWR) C
Operates only on 2025-05-27
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:18, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3644
06:00
Syracuse (SYR)

07:18
Newark Liberty, New York (EWR) C
Effective 2025-06-03 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3644
06:00
Syracuse (SYR)

07:22
Newark Liberty, New York (EWR) C
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3644
06:07
Syracuse (SYR)

07:24
Newark Liberty, New York (EWR) C
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:17, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3644
08:50
Chicago O'Hare (ORD) 2

12:22
Hartford (BDL)
Effective 2025-06-28 through 2025-07-30
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:32, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3644
10:55
Madison (MSN)

12:05
Chicago O'Hare (ORD) 2
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3644
13:55
Chicago O'Hare (ORD) 2

17:37
Portland (PWM)
Effective 2025-06-26 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:42, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3644
13:55
Chicago O'Hare (ORD) 2

17:37
Portland (PWM)
Effective 2025-07-06 through 2025-07-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:42, non-stop
Embraer EMB 175 (E7W)
Non-Direct Flights:
United Airlines UA3644
10:55
Madison (MSN)

17:37
Portland (PWM)
Effective 2025-06-26 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:42, 1-stop
Embraer EMB 175 (E7W)
United Airlines UA3644
10:55
Madison (MSN)

17:37
Portland (PWM)
Effective 2025-07-06 through 2025-07-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:42, 1-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Hartford (BDL)
  • Chicago O'Hare (ORD) - Portland (PWM)
  • Madison (MSN) - Chicago O'Hare (ORD)
  • Madison (MSN) - Portland (PWM)
  • Syracuse (SYR) - Newark Liberty, New York (EWR)
All United Airlines flights
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