Swiss
flight
LX 3339:
Chicago O'Hare - Denver
Chicago O'Hare - Denver
FLIGHT SCHEDULE
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-05-04 through 2026-05-11
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 742)
Duration: 2:37, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Swiss LX3339
Operates only on 2026-05-17
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 742)
Duration: 2:37, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-04-09 through 2026-04-17
Mon
-
-
Tue
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-
Wed
Thu
Fri
Sat
Sun
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-
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-04-22 through 2026-04-30
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-05-02 through 2026-05-10
Mon
-
-
Tue
-
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Wed
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-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-05-12 through 2026-05-16
Mon
-
-
Tue
Wed
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Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-05-22 through 2026-06-01
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-06-02 through 2026-06-11
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-06-12 through 2026-06-17
Mon
Tue
Wed
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-06-21 through 2026-07-01
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-07-02 through 2026-07-08
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-07-12 through 2026-07-22
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-07-25 through 2026-07-28
Mon
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-08-03 through 2026-08-09
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-08-12 through 2026-08-20
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-08-25 through 2026-08-29
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-09-02 through 2026-09-11
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-09-12 through 2026-09-16
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-09-22 through 2026-09-30
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-10-03 through 2026-10-11
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-10-12 through 2026-10-16
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-10-22 through 2026-10-24
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 609)
Duration: 2:38, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-04-12 through 2026-04-27
Mon
Tue
Wed
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-
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:37, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-05-01 through 2026-05-06
Mon
-
-
Tue
Wed
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-05-13 through 2026-05-21
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Operates only on 2026-05-26
Mon
-
-
Tue
Wed
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-
Thu
-
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Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-06-05 through 2026-06-06
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-06-13 through 2026-06-26
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-07-03 through 2026-07-16
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-07-23 through 2026-07-31
Mon
-
-
Tue
-
-
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-08-01 through 2026-08-08
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-08-10 through 2026-08-15
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-08-21 through 2026-08-28
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-08-30 through 2026-09-07
Mon
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-09-13 through 2026-09-20
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-09-21 through 2026-09-28
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-10-01 through 2026-10-08
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3339
Effective 2026-10-13 through 2026-10-21
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2347)
Duration: 2:50, non-stop Boeing 737-900 (739)
- LX 3339 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Denver airport (DEN).
- The flight distance is 885 miles, or 1425 km.
- The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 2:37 and 2:50.