| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 28 | BKK | USM | 18:58 | 19:43 |
Delayed
|
Track > |
| Jun 26 | BKK | USM | 18:08 | 19:19 |
Landed Late
|
Track > |
| Jun 24 | BKK | USM | 18:21 | 19:05 |
Landed Late
|
Track > |
| Jun 21 | BKK | USM | 17:56 | 18:42 |
Landed
|
Track > |
| Jun 19 | BKK | USM | 18:09 | 18:54 |
Landed Late
|
Track > |
| Jun 17 | BKK | USM | 18:24 | 19:09 |
Landed Late
|
Track > |
| Jun 14 | BKK | USM | 17:44 | 18:28 |
Landed
|
Track > |
| Jun 12 | BKK | USM | 18:17 | 19:07 |
Landed Late
|
Track > |
| Jun 10 | BKK | USM | 17:57 | 18:44 |
Landed
|
Track > |
| Jun 07 | BKK | USM | 17:53 | 18:38 |
Landed
|
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 48 minutes. The flight distance is 466 km / 289 miles and the average flight speed is 591 km/h / 367 mph.
How many SQ5421 flights are operated per week?
2 flights per week. The flight SQ5421 is operated on 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 4.5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest SQ5421 flight?
The latest flight took off on Sunday, June 28th, 2026 with the flight status being En-Route on 19:43.
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 32 minutes.
See our SQ5421 Flight Tracker above for more details.
Other flights departing from Bangkok BKK: CZ8324, PG181, AQ1268, CI836
Other flights arriving at Koh Samui USM: PG806, TR648, PG181, PG294
All flights connecting Bangkok BKK to Koh Samui USM.
