Home / Routes / KSDF → KBFI819 scheduled
SDF BFI4h 18m

The route from Louisville Muhammad Ali International Airport (KSDF) in Louisville to Boeing Field King County International Airport (KBFI) in Seattle. SkyMeter tracks roughly 819 scheduled flights on this route across 11 carriers. The most active operator is UPS (UPS). Average block time is 4h 14m. Departures average 25 minutes off schedule, with 54% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 767-300.

Scheduled
819
last 528 days
ADS-B observed
127
Airlines
11
Avg dep delay
25m
Late >15 min
53.6%
Cancel rate
0.00%

Airlines on this route

3 carriers · scheduled

United Parcel Service Company
UPS · 5X · 816 flights · avg 25m delay · 53.6% late
Netjets Aviation
EJA · 1I · 2 flights · avg 29m delay · 50.0% late
Allegiant Air
AAY · G4 · 1 flights · avg 105m delay · 100.0% late

Recent observed flights

From ADS-B trace data

UPS982N341UPB763
2026-10-15 07:51  →  2026-10-15 12:08  ·  4h 16m
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UPS982N341UPB763
2026-10-14 07:42  →  2026-10-14 11:59  ·  4h 16m
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UPS2978N373UPB763
2026-10-10 19:12  →  2026-10-10 23:21  ·  4h 8m
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UPS982N324UPB763
2026-10-10 09:06  →  2026-10-10 13:21  ·  4h 14m
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UPS5982N379UPB763
2026-10-09 20:09  →  2026-10-10 00:23  ·  4h 14m
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UPS982N320UPB763
2026-10-09 07:52  →  2026-10-09 12:10  ·  4h 17m
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UPS5982N370UPB763
2026-10-08 20:16  →  2026-10-09 00:50  ·  4h 33m
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UPS982N318UPB763
2026-10-08 07:40  →  2026-10-08 12:27  ·  4h 47m
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UPS5982N375UPB763
2026-10-07 20:05  →  2026-10-08 00:23  ·  4h 17m
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UPS982N914UPB763
2026-10-07 07:34  →  2026-10-07 11:44  ·  4h 9m
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Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 767-300
B763
99%
of flights
CESSNA Cessna Citation Latitude
C68A
0%
of flights

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View KBFI → KSDF