Aer Lingus
flight
EI 7666:
Seattle-Tacoma - Chicago O'Hare
Seattle-Tacoma - Chicago O'Hare
FLIGHT SCHEDULE
Direct Codeshare Flights:
Aer Lingus EI7666
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3029)
Duration: 4:06, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Aer Lingus EI7666
Operates only on 2026-03-04
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 2398)
Duration: 4:11, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Aer Lingus EI7666
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2966)
Duration: 4:21, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Aer Lingus EI7666
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2520)
Duration: 4:14, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Aer Lingus EI7666
Effective 2026-04-08 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2741)
Duration: 4:16, non-stop Boeing 737 (737)
Direct Codeshare Flights:
Aer Lingus EI7666
Effective 2026-03-01 through 2026-03-06
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
Codeshare flight, operated by American Airlines.
(AA 2398)
Duration: 4:12, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Aer Lingus EI7666
Operates only on 2026-03-03
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 American Airlines.
(AA 2398)
Duration: 4:12, non-stop Boeing 737-800 (738)
- EI 7666 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Chicago O'Hare airport (ORD).
- The flight distance is 1715 miles, or 2760 km.
- The timezone of the departure airport is UTC-8 , 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 4:06 and 4:21.