DL4127

For travellers

Departure · Boise (BOI)

Gate B20

Scheduled 03 Oct 17:59

Board status: Scheduled

Airborne since 03 Oct 18:07 (ADS-B)

Arrival · Seattle (SEA)

Gate A6

Scheduled 03 Oct 18:41 · Estimated 03 Oct 18:12 · early

Board status: Landed

Landed 03 Oct 18:36 (ADS-B)

Board data from boi, sea, updated 328 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Boise Air Terminal/Gowen Field (BOI) — Boise, United States

Scheduled departure

2026-10-03 23:59 UTC

Departed

2026-10-04 00:07 UTC

Arrival

Seattle Tacoma International Airport (SEA) — Seattle, United States

Scheduled arrival

2026-10-04 01:41 UTC

Estimated arrival

2026-10-04 01:12 UTC

Codeshares

VS2334, WS7320

Distance flown

701 km

Straight-line distance

641 km

Approach distance

87 km

Aircraft

Registration

N312SY

Type

EMBRAER EMB175

Seats

76 total (12 Business, 64 Economy)

CO2 (EMEP est., total)

9.3 t (283 kg/pax Business, 93 kg/pax Economy)

Altitude & speed

Max altitude

34,000 ft

Max ground speed

445 kt

Tracked

1h 30m · 698 km

Altitude (ft, max 34,000)

Ground speed (kt, max 445)

Altitude (ft, max 34,000)

Ground speed (kt, max 445)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Skywest Airlines (SKW)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-04 00:07 UTC	SKW4127	BOI → SEA Boise → Seattle	N312SY	EMBRAER EMB175	Completed	701 km
2026-10-03 21:42 UTC	SKW4127	SEA → BOI Seattle → Boise	N312SY	EMBRAER EMB175	Completed (landing confirmed by airport data)	713 km
2026-10-03 00:02 UTC	SKW4127	BOI → SEA Boise → Seattle	N256SY	EMBRAER EMB175	Completed	674 km
2026-10-02 21:53 UTC	SKW4127	SEA → BOI Seattle → Boise	N256SY	EMBRAER EMB175	Completed	706 km
2026-10-02 00:25 UTC	SKW4127	BOI → SEA Boise → Seattle	N603CZ	EMBRAER EMB175	Completed	670 km
2026-10-01 22:16 UTC	SKW4127	SEA → BOI Seattle → Boise	N603CZ	EMBRAER EMB175	Completed	735 km
2026-10-01 01:04 UTC	SKW4127	BOI → SEA Boise → Seattle	N252SY	EMBRAER EMB175	Completed	708 km
2026-09-30 22:32 UTC	SKW4127	SEA → BOI Seattle → Boise	N252SY	EMBRAER EMB175	Completed	767 km
2026-09-30 00:55 UTC	SKW4127	BOI → SEA Boise → Seattle	N255SY	EMBRAER EMB175	Completed	714 km
2026-09-29 22:03 UTC	SKW4127	SEA → BOI Seattle → Boise	N255SY	EMBRAER EMB175	Completed	703 km