Informational Guide to Bandaranaike International Airport (CMB) - Non Official

UL404 SriLankan Airlines - Flight Status

Below, you can find details about SriLankan Airlines flight UL404, which currently operates between the airports of Colombo - Colombo Bandaranaike International Airport (Airport Code CMB) and Bangkok - Bangkok Suvarnabhumi International Airport (Airport Code BKK).
This flight data pertains specifically to the flight's details for Monday, April 13, 2026.

UL404 On Time performance:
87
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

UL404 SriLankan Airlines to Bangkok

En Route - On-time
Flight Status for Monday April 13, 2026

Airline information

SriLankan Airlines
SriLankan Airlines
Equipment: Airbus A321neo

Departure

Colombo (CMB)
April 13, 2026
Colombo Bandaranaike International Airport
Departed at:
07:43
Gate:
-
Scheduled Departure Time: 07:35

Arrival

Bangkok (BKK)
April 13, 2026
Bangkok Suvarnabhumi International Airport
Estimated Arrival Time:
12:23
Terminal:
-
Gate:
-
Scheduled Arrival Time: 12:45
Baggage: 12
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.colombo-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- 8M5404 - Myanmar Airways International

- HM6224 - Air Seychelles

- QF4242 - Qantas

Additional Information

Which is the frequency of flight UL404?
The flight UL404 is scheduled to flight on daily basis.

Which is the distance of flight UL404?
The distance between the two airports is 2393 kilometers.

Which is the flight time of flight UL404?
The scheduled flight time gate to gate is: 03:40 hours.
The real flight time gate to gate on average is: 03:18 hours.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Colombo: 2026-04-13 09:04:22
Current Time in Bangkok: 2026-04-13 10:34:22

Alternative Flights

The following airlines serves the same route between Colombo and Bangkok:

Thai Airways International
- Flight Number: TG308. (On Time performance: 89 - Average Delay: 4 minutes)

SriLankan Airlines
- Flight Number: UL402. (On Time performance: 96 - Average Delay: 3 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from January 06, 2026 to April 05, 2026, we have obtained these figures.
Total number of flights: 89
On Time: 77 ( 87 % )
Moderate Delay: 4 ( 4 % )
Significant Delay: 3 ( 3 % )
Major Delay: 5 ( 6 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 9 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from October 06, 2025 to April 05, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from April 02, 2025 to March 30, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights UL404

Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
12 April
08:22
Colombo (CMB)
13:17
Bangkok (BKK)
03h 25min
Airbus A321neo
Airbus A321neo
Landed - Delayed
Saturday
11 April
08:04
Colombo (CMB)
12:50
Bangkok (BKK)
03h 16min
Airbus A321neo
Airbus A321neo
Landed - On-time
Friday
10 April
07:41
Colombo (CMB)
12:32
Bangkok (BKK)
03h 21min
Airbus A321neo
Airbus A321neo
Landed - On-time
Thursday
09 April
07:42
Colombo (CMB)
12:29
Bangkok (BKK)
03h 17min
Airbus A330-30
Airbus A330-30
Landed - On-time
Wednesday
08 April
07:49
Colombo (CMB)
12:38
Bangkok (BKK)
03h 19min
Airbus A321neo
Airbus A321neo
Landed - On-time
Tuesday
07 April
07:45
Colombo (CMB)
12:40
Bangkok (BKK)
03h 25min
Airbus A320neo
Airbus A320neo
Landed - On-time
Monday
06 April
07:39
Colombo (CMB)
12:26
Bangkok (BKK)
03h 17min
Airbus A320
Airbus A320
Landed - On-time
Sunday
05 April
07:45
Colombo (CMB)
12:28
Bangkok (BKK)
03h 13min
Airbus A320
Airbus A320
Landed - On-time
Saturday
04 April
07:46
Colombo (CMB)
12:33
Bangkok (BKK)
03h 17min
Airbus A320
Airbus A320
Landed - On-time
Friday
03 April
07:51
Colombo (CMB)
12:30
Bangkok (BKK)
03h 09min
Airbus A320neo
Airbus A320neo
Landed - On-time