Lufthansa
flight
LH 7521:
Denver - Chicago O'Hare
Denver - Chicago O'Hare
FLIGHT SCHEDULE
Direct Codeshare Flights:
Lufthansa LH7521
Operates only on 2026-01-05
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 762)
Duration: 2:34, non-stop Boeing 757-300 (753)
Direct Codeshare Flights:
Lufthansa LH7521
Operates only on 2026-02-03
Mon
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Tue
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 675)
Duration: 2:36, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Lufthansa LH7521
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 675)
Duration: 2:35, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Lufthansa LH7521
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 675)
Duration: 2:28, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Lufthansa LH7521
Effective 2026-05-21 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 675)
Duration: 2:28, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Lufthansa LH7521
Effective 2026-03-05 through 2026-03-07
Mon
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Tue
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Wed
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Thu
Fri
Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 675)
Duration: 2:35, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Lufthansa LH7521
Operates only on 2026-03-28
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
Sun
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Codeshare flight, operated by United Airlines.
(UA 675)
Duration: 2:35, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Lufthansa LH7521
Valid until 2026-01-03
Mon
Tue
Wed
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-
Thu
Fri
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-
Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 762)
Duration: 2:34, non-stop Boeing 757-300 (753)
Direct Codeshare Flights:
Lufthansa LH7521
Effective 2026-01-02 through 2026-01-04
Mon
-
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 762)
Duration: 2:34, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Lufthansa LH7521
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1411)
Duration: 2:31, non-stop Boeing 757-300 (753)
Direct Codeshare Flights:
Lufthansa LH7521
Operates only on 2026-10-24
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
Sun
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Codeshare flight, operated by United Airlines.
(UA 2258)
Duration: 2:25, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Lufthansa LH7521
Effective 2026-03-08 through 2026-03-27
Mon
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Tue
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Wed
Thu
Fri
Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 2258)
Duration: 2:30, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Lufthansa LH7521
Effective 2026-03-09 through 2026-03-23
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 2258)
Duration: 2:29, non-stop Boeing 737 MAX 9 (7M9)
- LH 7521 is a domestic flight departing from the Denver airport (DEN) and arriving at Chicago O'Hare airport (ORD).
- The flight distance is 885 miles, or 1425 km.
- The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-6 . 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 2:25 and 2:36.