UL121 ColomboCMB ChennaiMAA · 08:45
UL121 by SriLankan Airlines flies from Colombo (CMB) to Chennai (MAA) for the Sun, Nov 8 departure.
arrival expected at MAA · on schedule
board checked 16m ago · checking again in 45s
Where the minutes go
last 6 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival +21 min · 0 cancelled · 6 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How UL121 actually runs
Pro Flight Search has tracked every published board update for UL121 across the CMB and MAA boards: schedule changes, gate pushes and actual clocks. Usually lands ~26 min late. Based on 6 confirmed landings · 2/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UL121 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: 4R-ALO, 4R-ALN, 4R-ALP, 4R-ALT.
Board clocks recorded as CMB and MAA published them.
Planning around UL121? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: UL121 Colombo to Chennai on-time performance, measured from the CMB and MAA airport boards.
https://proflightsearch.com/flight/UL121
.