United Airlines flight UA 5520: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 Oklahoma City (OKC) 08:48 Houston George Bush (IAH) B
UA 5520 Non-stop Embraer EMB 175 (E7W) 1:48 Valid until 2026-01-05
Daily 07:00 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
UA 5520 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2026-01-06 through 2026-02-03
Daily 07:00 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
UA 5520 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2026-02-05 through 2026-02-11
Daily 07:06 Oklahoma City (OKC) 08:48 Houston George Bush (IAH) B
UA 5520 Non-stop Embraer EMB 175 (E7W) 1:42 Effective 2026-02-12 through 2026-03-04
Daily 08:45 McClellan-Palomar, San Diego (CLD) 12:06 Denver (DEN)
UA 5520 Non-stop Embraer EMB 175 (E7W) 2:21 Effective 2026-03-31 through 2026-05-20
Daily 08:45 McClellan-Palomar, San Diego (CLD) 12:07 Denver (DEN)
UA 5520 Non-stop Embraer EMB 175 (E7W) 2:22 Effective 2026-05-21 through 2026-10-18
Daily 08:45 McClellan-Palomar, San Diego (CLD) 12:23 Denver (DEN)
UA 5520 Non-stop Embraer EMB 175 (E7W) 2:38 Effective from 2026-10-19
Sun 13:56 Lexington (LEX) 14:42 Chicago O'Hare (ORD) 2
UA 5520 Non-stop Embraer EMB 175 (E7W) 1:46 Effective 2026-03-08 through 2026-03-22
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This flight number is listed as serving the following routes:


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United Airlines flight UA 5520: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA5520
07:00
Oklahoma City (OKC)

08:48
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5520
07:00
Oklahoma City (OKC)

08:45
Houston George Bush (IAH) B
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5520
07:00
Oklahoma City (OKC)

08:45
Houston George Bush (IAH) B
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5520
07:06
Oklahoma City (OKC)

08:48
Houston George Bush (IAH) B
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5520
08:45
McClellan-Palomar, San Diego (CLD)

12:06
Denver (DEN)
Effective 2026-03-31 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:21, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5520
08:45
McClellan-Palomar, San Diego (CLD)

12:07
Denver (DEN)
Effective 2026-05-21 through 2026-10-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:22, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5520
08:45
McClellan-Palomar, San Diego (CLD)

12:23
Denver (DEN)
Effective from 2026-10-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5520
13:56
Lexington (LEX)

14:42
Chicago O'Hare (ORD) 2
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:46, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Lexington (LEX) - Chicago O'Hare (ORD)
  • McClellan-Palomar, San Diego (CLD) - Denver (DEN)
  • Oklahoma City (OKC) - Houston George Bush (IAH)
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