CI 9621 — Bangkok to Na Thon (Ko Samui Island)
CI 9621 Schedule
China Airlines flies BKK to USM 3 days a week (Tue Thu Sat). Scheduled block time is 1h 5m. Typically a Airbus A319.
Airbus A319 (319)
Scheduled equipment: Airbus A319. Airbus-built. Registration, build year, and photo fill in the moment the aircraft broadcasts.
BKK to USM
China Airlines is the only nonstop operator on this route. Compare schedules, codeshares, and on-time performance across every operator on the full route page.
CI 9621 Flight Path
Cruise altitude, ground speed, and vertical rate from ADS-B broadcasts. The altitude profile fills in while CI 9621 is airborne, capturing climbs, step-climbs, and descents in real time.
Flight path chart appears once CI 9621 is airborne and broadcasting.
Frequently Asked Questions
If a plane icon is moving on the map, yes. That's ADS-B, the aircraft's own GPS position broadcast, updated every few seconds. No icon means the flight isn't airborne at the moment: either before pushback, already landed, or a day it doesn't operate.
Scheduled equipment is the 319. The live tracker shows the actual tail and registration when CI 9621 is airborne. Carriers swap aircraft often enough that you'll sometimes see a different airframe than the scheduled type.
Tue Thu Sat. 3 days a week. On days outside that pattern this page will show the schedule but no live aircraft.
Scheduled 1h 5m gate to gate from BKK to USM. Actual air time varies with winds and ATC routing. Tailwinds can shave 15 to 20 minutes on long segments.
GPS-accurate via ADS-B. Typically within 30 meters horizontally, updated every 5 to 10 seconds. If the broadcast drops over oceans or mountainous terrain, the map holds the last-known position and the label changes to reflect the signal gap.
A projection from current position, groundspeed, and remaining distance. It doesn't account for descent procedures, holding, or ATC vectoring near the destination. Trust it within plus or minus 10 minutes once the flight is past the halfway mark.
China Airlines is a skyteam member, so you may see this flight ticketed under a partner airline's code as well. The live aircraft is the same regardless of which code is on your ticket.