UL121 Flight Status SriLankan Airlines: Colombo to Chennai (ALK121)

SriLankan Airlines UL 121

Delayed 2h05'

CMB Colombo

Scheduled
07:25
Estimated
09:30

Gate: 08

Departure: Mon, Nov 9, 2026 · local time UTC+5:30

Colombo Bandaranaike International Airport (CMB)

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MAA Chennai

Scheduled
08:45

Terminal: 2

Arrival: Mon, Nov 9, 2026 · local time UTC+5:30

Chennai International Airport (MAA)

All MAA Arrivals >

Departs in 6h 41m 0%

CMB 09:30 MAA 10:50

647 km (402 mi) to fly

Route map CMB to MAA Map of the great-circle route from Colombo Bandaranaike International Airport, Sri Lanka to Chennai International Airport, India, 647 km. The plane shows an estimated position based on departure and arrival times. Map data: Natural Earth. CMB MAA 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: 647 km / 402 miles · Scheduled Duration: 01:20 · Typical Duration: 01:05

UL 121 Flight Status & Schedule SriLankan Airlines Colombo to Chennai

Date From To Departure Arrival Status Details
Nov 09 CMB MAA 07:25 08:45 Delayed >2h Track >
Nov 08 CMB MAA 07:51 08:51 Landed Track >
Nov 07 CMB MAA 08:00 09:06 Landed Late Track >
Nov 06 CMB MAA 08:07 09:11 Landed Late Track >
Nov 05 CMB MAA 07:59 09:07 Landed Late Track >
Nov 04 CMB MAA 07:37 08:36 Landed Track >
Nov 03 CMB MAA 07:54 08:56 Landed Track >
Nov 02 CMB MAA 08:10 09:19 Landed Late Track >
Nov 01 CMB MAA 07:58 08:58 Landed Track >
Oct 31 CMB MAA 08:03 09:07 Landed Late Track >

SriLankan Airlines' Colombo–Chennai flight covers 647 km (402 mi) and runs daily. Its timetable allows 1 h 20 min; in practice it usually takes about 1 h 5 min, so it often makes up time. Today's flight is scheduled for 07:25 but expected to leave 2 h 5 min late, at 09:30.

< All Colombo CMB Departures All Chennai MAA Arrivals >

About UL 121

Route
Colombo Bandaranaike International Airport CMB to Chennai International Airport MAA
Distance
647 km (402 mi)
Typical flight time
1 h 5 min
Flies
Daily
On time
4 of the last 9
Average delay when late
25 min

UL 121 FAQ

How long is the UL121 flight?
The timetable allows 1 h 20 min. Colombo to Chennai is 647 km (402 mi).
How often is UL121 late?
5 of the last 9 flights arrived 15 or more minutes late; when late, by 25 minutes on average.
Which days does UL121 fly?
Daily: it was scheduled on each of the last 7 days.
Which terminal does UL121 use?
It usually arrives at Terminal 2 at Chennai International Airport (MAA). Check the flight card above for today's terminal and gate.
What other flight numbers does UL121 have?
Also listed as ALK121 (SriLankan Airlines' ICAO code) and UL 121.

SriLankan Airlines UL121 News

UL121 and Colombo CMB to Chennai MAA Flights

Flight UL121 is code-shared by 1 airline using the flight number AI6213

Other flights departing from Colombo CMB: UL406, UL364, TK731

Other flights arriving at Chennai MAA: SQ524, AI2525, 6E243

All flights connecting Colombo CMB to Chennai MAA.