SL521

CNX → DMK · Boeing 737-900 · Thai Lion Air

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Departure · Chiang Mai (CNX)

Gate 3

Scheduled 21:30 · Estimated 21:30

Board status: Boarding

Airborne since 21:39 (ADS-B)

Arrival · Bangkok (DMK)

Terminal 2 · Baggage belt 11

Scheduled 22:45 · Landed 22:35 · early

Board status: Landed

In the air, ~1m to go (100% of the route flown)

Board data from aot_cnx, aot_dmk, updated 36 min ago; times local to each airport.

Flight

Status

In progress

Departure

Chiang Mai International Airport (CNX) — Chiang Mai, Thailand

Scheduled departure

2026-10-02 14:30 UTC

Departed

2026-10-02 14:39 UTC

Arrival

Don Mueang International Airport (DMK) — Bangkok, Thailand (scheduled)

Scheduled arrival

2026-10-02 15:45 UTC

Estimated arrival

2026-10-02 15:35 UTC

Progress

100% · ~1m remaining

Distance flown

587 km

Straight-line distance

568 km

Aircraft

Registration

HS-LVV

Type

Boeing 737-900

CO2 (EMEP est., total)

14.9 t (72 kg/pax Economy, 147 kg/pax Business)

Altitude & speed

Max altitude

31,000 ft

Max ground speed

478 kt

Tracked

51m · 587 km

Note

still in progress - the track so far

Altitude (ft, max 31,000)

Ground speed (kt, max 478)

Altitude (ft, max 31,000)

Ground speed (kt, max 478)

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

Thai Lion Air (TLM)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 14:39 UTC	TLM521	CNX → DMK Chiang Mai → Bangkok	HS-LVV	Boeing 737-900	In progress	~568 km est.
2026-10-01 14:33 UTC	TLM521	CNX → DMK Chiang Mai → Bangkok	HS-LVU	Boeing 737-900	Completed (landing confirmed by airport data)	591 km
2026-09-30 14:29 UTC	TLM521	CNX → DMK Chiang Mai → Bangkok	HS-LVK	Boeing 737-900	Completed	605 km

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