UL403 Flight Status SriLankan Airlines: Bangkok to Colombo (ALK403)

BKK Bangkok

Scheduled
08:10
Actual
08:46

Gate: G2

Departure: Tue, Nov 3, 2026 · local time UTC+7

Bangkok Suvarnabhumi Airport (BKK)

All BKK Departures >

CMB Colombo

Scheduled
10:10
Actual
10:16

Arrival: Tue, Nov 3, 2026 · local time UTC+5:30

Colombo Bandaranaike International Airport (CMB)

All CMB Arrivals >

Landed 14h 03m ago 100%

BKK 08:46 CMB 10:16

2,391 km (1,486 mi) flown

Route map BKK to CMB Map of the great-circle route from Bangkok Suvarnabhumi Airport, Thailand to Colombo Bandaranaike International Airport, Sri Lanka, 2391 km. The plane shows an estimated position based on departure and arrival times. Map data: Natural Earth. THAILAND SRI LANKA BKK CMB Map data: Natural Earth

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

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Distance: 2391 km / 1486 miles · Scheduled Duration: 03:30 · Actual Duration: 03:00

UL 403 Flight Status & Schedule SriLankan Airlines Bangkok to Colombo

Date From To Departure Arrival Status Details
Nov 03 BKK CMB 08:46 10:16 Landed Track >
Nov 02 BKK CMB 08:13 09:45 Landed Track >
Oct 31 BKK CMB 08:24 09:59 Landed Track >
Oct 30 BKK CMB 08:16 09:45 Landed Track >
Oct 29 BKK CMB 08:17 09:56 Landed Track >
Oct 28 BKK CMB 08:30 10:05 Landed Track >
Oct 27 BKK CMB 08:33 10:12 Landed Track >
Oct 26 BKK CMB 08:20 09:56 Landed Track >
Oct 25 BKK CMB 08:15 09:53 Landed Track >
Oct 24 BKK CMB 07:59 09:30 Landed Track >

SriLankan Airlines operates UL 403 from Bangkok to Colombo, a 2,391 km (1,486 mi) trip, five times a week (Monday, Tuesday, Thursday, Friday and Saturday). With 3 h 30 min in the timetable and a usual flight time of about 3 h 5 min, it often makes up time. Yesterday it left 36 minutes late and still landed at 10:16, just 6 minutes behind schedule.

< All Bangkok BKK Departures All Colombo CMB Arrivals >

About UL 403

Route
Bangkok Suvarnabhumi Airport BKK to Colombo Bandaranaike International Airport CMB
Distance
2,391 km (1,486 mi)
Typical flight time
3 h 5 min
Flies
Mon, Tue, Thu, Fri, Sat
On time
10 of the last 10

UL 403 FAQ

How long is the UL403 flight?
The timetable allows 3 h 30 min. Bangkok to Colombo is 2,391 km (1,486 mi).
How often is UL403 late?
None of the last 10 flights arrived 15 or more minutes late.
Which days does UL403 fly?
Five times a week: Monday, Tuesday, Thursday, Friday and Saturday, based on the schedule of the last 7 days.
What other flight numbers does UL403 have?
Also listed as ALK403 (SriLankan Airlines' ICAO code) and UL 403.

UL403 and Bangkok BKK to Colombo CMB Flights

Flight UL403 is code-shared by 5 airlines using the flight numbers JL5704, QF4252, AY6645, HM6223, 8M5403

Other flights departing from Bangkok BKK: CZ362, PG301, TG130, TG632

Other flights arriving at Colombo CMB: UL319, AI283, GF144, FZ1025

All flights connecting Bangkok BKK to Colombo CMB.