United Airlines flight UA 3491: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon-Sat 10:27 John Glenn Columbus (CMH) 11:01 Chicago O'Hare (ORD) 2
UA 3491 Non-stop Embraer EMB 175 (E7W) 1:34 Effective 2026-02-12 through 2026-03-07
Daily 10:27 John Glenn Columbus (CMH) 11:01 Chicago O'Hare (ORD) 2
UA 3491 Non-stop Embraer EMB 175 (E7W) 1:34 Effective 2026-03-08 through 2026-03-28
Sun 10:30 John Glenn Columbus (CMH) 11:01 Chicago O'Hare (ORD) 2
UA 3491 Non-stop Embraer EMB 175 (E7W) 1:31 Effective 2026-02-15 through 2026-03-01
Wed 10:50 John Glenn Columbus (CMH) 11:32 Chicago O'Hare (ORD) 2
UA 3491 Non-stop Embraer EMB 175 (E7W) 1:42 Operates only on 2026-02-04
Daily 10:55 John Glenn Columbus (CMH) 11:37 Chicago O'Hare (ORD) 2
UA 3491 Non-stop Embraer EMB 175 (E7W) 1:42 Effective 2026-01-06 through 2026-02-03
Daily 10:55 John Glenn Columbus (CMH) 11:37 Chicago O'Hare (ORD) 2
UA 3491 Non-stop Embraer EMB 175 (E7W) 1:42 Effective 2026-02-05 through 2026-02-11
Daily 11:02 Charlotte (CLT) 12:30 Chicago O'Hare (ORD) 2
UA 3491 Non-stop Embraer EMB 175 (E7W) 2:28 Valid until 2026-01-05
Daily 11:05 John Glenn Columbus (CMH) 11:42 Chicago O'Hare (ORD) 2
UA 3491 Non-stop Embraer EMB 175 (E7W) 1:37 Effective 2026-03-29 through 2026-04-29
Mon-Fri 13:55 Chicago O'Hare (ORD) 2 16:42 Buffalo (BUF)
UA 3491 Non-stop Embraer EMB 175 (E7W) 1:47 Effective 2026-03-05 through 2026-03-27
Mon,Wed 14:12 Chicago O'Hare (ORD) 2 16:55 Pittsburgh (PIT)
UA 3491 Non-stop Embraer EMB 175 (E7W) 1:43 Valid until 2026-01-05
Daily 14:12 Chicago O'Hare (ORD) 2 16:57 Buffalo (BUF)
UA 3491 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2026-03-29 through 2026-04-29
Daily 22:05 Washington Dulles (IAD) 23:45 Burlington (BTV)
UA 3491 Non-stop Embraer EMB 175 (E7W) 1:40 Effective 2026-04-30 through 2026-05-20
Non-Direct Flights:
Mon-Fri 10:27 John Glenn Columbus (CMH) 16:42 Buffalo (BUF)
UA 3491 1-stop Embraer EMB 175 (E7W) 6:15 Effective 2026-03-05 through 2026-03-27
Mon,Wed 11:02 Charlotte (CLT) 16:55 Pittsburgh (PIT)
UA 3491 1-stop Embraer EMB 175 (E7W) 5:53 Valid until 2026-01-05
Daily 11:05 John Glenn Columbus (CMH) 16:57 Buffalo (BUF)
UA 3491 1-stop Embraer EMB 175 (E7W) 5:52 Effective 2026-03-29 through 2026-04-29
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This flight number is listed as serving the following routes:


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United Airlines flight UA 3491: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA3491
10:27
John Glenn Columbus (CMH)

11:01
Chicago O'Hare (ORD) 2
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:34, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3491
10:27
John Glenn Columbus (CMH)

11:01
Chicago O'Hare (ORD) 2
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3491
10:30
John Glenn Columbus (CMH)

11:01
Chicago O'Hare (ORD) 2
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:31, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3491
10:50
John Glenn Columbus (CMH)

11:32
Chicago O'Hare (ORD) 2
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:42, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3491
10:55
John Glenn Columbus (CMH)

11:37
Chicago O'Hare (ORD) 2
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3491
10:55
John Glenn Columbus (CMH)

11:37
Chicago O'Hare (ORD) 2
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3491
11:02
Charlotte (CLT)

12:30
Chicago O'Hare (ORD) 2
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:28, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3491
11:05
John Glenn Columbus (CMH)

11:42
Chicago O'Hare (ORD) 2
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3491
13:55
Chicago O'Hare (ORD) 2

16:42
Buffalo (BUF)
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:47, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3491
14:12
Chicago O'Hare (ORD) 2

16:55
Pittsburgh (PIT)
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3491
14:12
Chicago O'Hare (ORD) 2

16:57
Buffalo (BUF)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA3491
22:05
Washington Dulles (IAD)

23:45
Burlington (BTV)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)
Non-Direct Flights:
United Airlines UA3491
10:27
John Glenn Columbus (CMH)

16:42
Buffalo (BUF)
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:15, 1-stop
Embraer EMB 175 (E7W)
Non-Direct Flights:
United Airlines UA3491
11:02
Charlotte (CLT)

16:55
Pittsburgh (PIT)
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:53, 1-stop
Embraer EMB 175 (E7W)
Non-Direct Flights:
United Airlines UA3491
11:05
John Glenn Columbus (CMH)

16:57
Buffalo (BUF)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:52, 1-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Charlotte (CLT) - Chicago O'Hare (ORD)
  • Charlotte (CLT) - Pittsburgh (PIT)
  • Chicago O'Hare (ORD) - Buffalo (BUF)
  • Chicago O'Hare (ORD) - Pittsburgh (PIT)
  • John Glenn Columbus (CMH) - Buffalo (BUF)
  • John Glenn Columbus (CMH) - Chicago O'Hare (ORD)
  • Washington Dulles (IAD) - Burlington (BTV)
All United Airlines flights
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