United Airlines flights from Guanacaste (LIR) to Chicago O'Hare (ORD).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 12:30 Guanacaste (LIR) 17:49 Chicago O'Hare (ORD) 5
United Airlines UA 1121 Non-stop Boeing 737-900 (739) 5:19 Effective 2025-12-18 through 2026-01-05
Sat,Sun 12:30 Guanacaste (LIR) 17:49 Chicago O'Hare (ORD) 5
United Airlines UA 1121 Non-stop Boeing 737-900 (739) 5:19 Effective from 2026-02-14
Sat 12:53 Guanacaste (LIR) 19:18 Chicago O'Hare (ORD) 5
United Airlines UA 1121 Non-stop Boeing 737 MAX 9 (7M9) 5:25 Effective 2025-05-03 through 2025-05-17
Sat 12:53 Guanacaste (LIR) 19:18 Chicago O'Hare (ORD) 5
United Airlines UA 1121 Non-stop Boeing 737-900 (739) 5:25 Effective 2025-05-24 through 2025-05-31
Sat,Sun 13:01 Guanacaste (LIR) 19:20 Chicago O'Hare (ORD) 5
United Airlines UA 1121 Non-stop Boeing 737-900 (739) 5:19 Effective 2025-10-26 through 2025-11-01
Sun 13:03 Guanacaste (LIR) 19:28 Chicago O'Hare (ORD) 5
United Airlines UA 1121 Non-stop Boeing 737-900 (739) 5:25 Effective 2025-05-25 through 2025-06-01
Sat,Sun 13:03 Guanacaste (LIR) 19:28 Chicago O'Hare (ORD) 5
United Airlines UA 1121 Non-stop Boeing 737-900 (739) 5:25 Effective 2025-06-07 through 2025-06-22
Sat 13:03 Guanacaste (LIR) 19:28 Chicago O'Hare (ORD) 5
United Airlines UA 1121 Non-stop Boeing 737 MAX 9 (7M9) 5:25 Effective 2025-06-28 through 2025-08-16
Sun 13:03 Guanacaste (LIR) 19:28 Chicago O'Hare (ORD) 5
United Airlines UA 1121 Non-stop Boeing 737-900 (739) 5:25 Effective 2025-06-29 through 2025-08-17
Sat 13:03 Guanacaste (LIR) 19:27 Chicago O'Hare (ORD) 5
United Airlines UA 1121 Non-stop Boeing 737-900 (739) 5:24 Effective 2025-09-27 through 2025-10-25
Sat,Sun 14:01 Guanacaste (LIR) 19:20 Chicago O'Hare (ORD) 5
United Airlines UA 1121 Non-stop Boeing 737-900 (739) 5:19 Effective 2025-11-02 through 2025-12-14
Sat,Sun 14:01 Guanacaste (LIR) 19:20 Chicago O'Hare (ORD) 5
United Airlines UA 1121 Non-stop Boeing 737-900 (739) 5:19 Effective 2026-01-10 through 2026-02-08




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United Airlines flights from Guanacaste (LIR) to Chicago O'Hare (ORD).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1121
12:30
Guanacaste (LIR)

17:49
Chicago O'Hare (ORD) 5
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:19, non-stop
Boeing 737-900 (739)
United Airlines UA1121
12:30
Guanacaste (LIR)

17:49
Chicago O'Hare (ORD) 5
Effective from 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 5:19, non-stop
Boeing 737-900 (739)
United Airlines UA1121
12:53
Guanacaste (LIR)

19:18
Chicago O'Hare (ORD) 5
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:25, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA1121
12:53
Guanacaste (LIR)

19:18
Chicago O'Hare (ORD) 5
Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:25, non-stop
Boeing 737-900 (739)
United Airlines UA1121
13:01
Guanacaste (LIR)

19:20
Chicago O'Hare (ORD) 5
Effective 2025-10-26 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 5:19, non-stop
Boeing 737-900 (739)
United Airlines UA1121
13:03
Guanacaste (LIR)

19:28
Chicago O'Hare (ORD) 5
Effective 2025-05-25 through 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:25, non-stop
Boeing 737-900 (739)
United Airlines UA1121
13:03
Guanacaste (LIR)

19:28
Chicago O'Hare (ORD) 5
Effective 2025-06-07 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 5:25, non-stop
Boeing 737-900 (739)
United Airlines UA1121
13:03
Guanacaste (LIR)

19:28
Chicago O'Hare (ORD) 5
Effective 2025-06-28 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:25, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA1121
13:03
Guanacaste (LIR)

19:28
Chicago O'Hare (ORD) 5
Effective 2025-06-29 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:25, non-stop
Boeing 737-900 (739)
United Airlines UA1121
13:03
Guanacaste (LIR)

19:27
Chicago O'Hare (ORD) 5
Effective 2025-09-27 through 2025-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:24, non-stop
Boeing 737-900 (739)
United Airlines UA1121
14:01
Guanacaste (LIR)

19:20
Chicago O'Hare (ORD) 5
Effective 2025-11-02 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 5:19, non-stop
Boeing 737-900 (739)
United Airlines UA1121
14:01
Guanacaste (LIR)

19:20
Chicago O'Hare (ORD) 5
Effective 2026-01-10 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 5:19, non-stop
Boeing 737-900 (739)
  • An international route departing from Guanacaste airport, Costa Rica (LIR) and arriving at Chicago O'Hare airport, United States (ORD).
  • The flight distance is 2172 miles, or 3495 km.
  • The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 5:19 and 5:25.
All LIR-ORD flights
All United Airlines flights
Return (ORD-LIR) flights
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