| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 02 | BKK | USM | 19:03 | 19:53 |
Delayed
|
Track > |
| Sep 30 | BKK | USM | 19:12 | 19:59 |
Delayed
|
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| Sep 27 | BKK | USM | 17:52 | 18:40 |
Landed
|
Track > |
| Sep 25 | BKK | USM | 18:35 | 18:30 |
Unknown
|
Track > |
| Sep 23 | BKK | USM | 18:14 | 19:03 |
Landed Late
|
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| Sep 20 | BKK | USM | 18:08 | 18:53 |
Landed Late
|
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| Sep 18 | BKK | USM | 18:44 | 19:31 |
Delayed
|
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| Sep 16 | BKK | USM | 18:18 | 19:04 |
Landed Late
|
Track > |
| Sep 13 | BKK | USM | 17:48 | 18:34 |
Landed
|
Track > |
| Sep 11 | BKK | USM | 18:18 | 19:09 |
Landed Late
|
Track > |
Singapore Airlines Flight SQ5421 connects Bangkok, Thailand to Koh Samui, Thailand, taking off from Bangkok Suvarnabhumi Airport BKK and landing at Koh Samui Airport USM.
How long is the SQ5421 flight from Bangkok to Koh Samui?
The average flight time from Bangkok to Koh Samui is 47 minutes. The flight distance is 466 km / 289 miles and the average flight speed is 571 km/h / 355 mph.
How many SQ5421 flights are operated per week?
3 flights per week. The flight SQ5421 is operated on Wednesday, Friday and Sunday.
What is the On-Time Performance (OTP) of Singapore Airlines Flight SQ5421 Bangkok to Koh Samui?
The Airportia On-Time Performance Rating for Singapore Airlines Flight SQ5421 is 4.4/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest SQ5421 flight?
The latest flight took off on Friday, October 2nd, 2026 with the flight status being En-Route on 19:53.
How else can the flight SQ5421 be referenced as?
This Singapore Airlines flight can also be referenced as SIA5421, SQ 5421, SIA 5421.
How often is flight SQ5421 delayed?
On average, 90% of all SQ5421 flights are delayed. The average delay is 41 minutes.
See our SQ5421 Flight Tracker above for more details.
Other flights departing from Bangkok BKK: CZ8324, PG181, CI836, CX708
Other flights arriving at Koh Samui USM: TR648, PG806, PG181, PG294
All flights connecting Bangkok BKK to Koh Samui USM.
