TLM581

For travellers

Departure · Chiang Mai (CNX)

Gate 4

Scheduled 01 Oct 13:10 · Estimated 01 Oct 13:10

Airborne since 01 Oct 13:14 (ADS-B)

Board data from aot_cnx, updated 3017 min ago; times local to each airport.

Flight

Status

Incomplete (signal lost)

Departure

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

Scheduled departure

2026-10-01 06:10 UTC

Departed

2026-10-01 06:14 UTC

Arrival

U-Tapao International Airport (UTP) — Rayong, Thailand (scheduled)

Also flies as

SL581

Distance flown

726 km

Straight-line distance

711 km

Approach distance

57 km

Aircraft

Registration

HS-LTT

Type

Boeing 737-900

Seats

215 total (215 Economy)

Altitude & speed

Max altitude

35,000 ft

Max ground speed

464 kt

Tracked

1h 0m · 726 km

Altitude (ft, max 35,000)

Ground speed (kt, max 464)

Altitude (ft, max 35,000)

Ground speed (kt, max 464)

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
2026-10-01 06:14 UTC	TLM581	CNX → UTP Chiang Mai → Rayong	HS-LTT	Boeing 737-900	Incomplete (signal lost)	726 km
2026-09-10 06:02 UTC	TLM581	CNX → UTP Chiang Mai → Rayong	HS-LWH	Boeing 737-900	Completed (landing presumed)	788 km
2026-09-06 05:50 UTC	TLM581	CNX → PYX Chiang Mai → Pattaya	HS-LVU	Boeing 737-900	Completed (landing presumed)	720 km
2026-09-03 05:58 UTC	TLM581	CNX → UTP Chiang Mai → Rayong	HS-LVL	Boeing 737-900	Incomplete (signal lost)	752 km
2026-09-03 04:23 UTC	TLM581	? → CNX ? → Chiang Mai	HS-LVL	Boeing 737-900	Completed	440 km
2026-08-27 05:54 UTC	TLM581	CNX → PYX Chiang Mai → Pattaya	HS-LVK	Boeing 737-900	Completed (landing presumed)	761 km
2026-08-22 06:03 UTC	TLM581	CNX → CNX Chiang Mai → Chiang Mai	HS-LGI	Boeing 737-800	Completed	~1745 km est. (969 km recorded)
2026-08-18 06:00 UTC	TLM581	CNX → UTP Chiang Mai → Rayong	HS-LWH	Boeing 737-900	Completed	897 km
2026-08-16 06:31 UTC	TLM581	CNX → ? Chiang Mai → ?	HS-LVL	Boeing 737-900	Completed	908 km
2026-08-15 06:02 UTC	TLM581	CNX → PYX Chiang Mai → Pattaya	HS-LVM	Boeing 737-900	Completed	~960 km est. (758 km recorded)