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Flight Activity with Callsign: UAL4209
Saturday, January 31, 2026
737-9 MAX,
United Airlines
, N17428 (MSN 67658/9466)
Activity
Delivered BFI-LAS
Airline
United Airlines
Registration
N17428
Callsign
UAL4209
Hex
A12AC8
Date & Time
Departed BFI Jan 31 2026 21:13 UTC
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© ca350
Tuesday, December 23, 2025
737-9 MAX,
United Airlines
, N17431 (MSN 43528/9435)
Activity
Delivered BFI-SEA
Airline
United Airlines
Registration
N17431
Callsign
UAL4209
Hex
A12AE4
Date & Time
Departed BFI Dec 23 2025 18:16 UTC
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Tuesday, November 25, 2025
737-9 MAX,
United Airlines
, N37415 (MSN 43455/9382)
Activity
Delivered BFI-SEA
Airline
United Airlines
Registration
N37415
Callsign
UAL4209
Hex
A44540
Date & Time
Departed BFI Nov 25 2025 21:13 UTC
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© Nick Sheeder
Tuesday, September 30, 2025
737-9 MAX,
United Airlines
, N17414 (MSN 68813/9309)
Activity
Delivered BFI-SEA
Airline
United Airlines
Registration
N17414
Callsign
UAL4209
Hex
A12AA1
Date & Time
Departed BFI Sep 30 2025 23:18 UTC
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© ca350
Thursday, August 28, 2025
737-9 MAX,
United Airlines
, N57409 (MSN 68818/9246)
Activity
Delivered BFI-PDX
Airline
United Airlines
Registration
N57409
Callsign
UAL4209
Hex
A75FBF
Date & Time
Departed BFI Aug 28 2025 22:02 UTC
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© ca350
Thursday, August 21, 2025
737-924ER(WL),
United Airlines
, N66831 (MSN 44562/5029)
Activity
Ferried LAS-VCV
Airline
United Airlines
Registration
N66831
Callsign
UAL4209
Hex
A8D4CC
Date & Time
Departed Aug 21 2025 21:07 UTC
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