SriLankan Airlines
UL503 Flight status
According to Trip.com real-time data, the UL503 flight operated by SriLankan Airlines on Aug 18, 2026, flying from Colombo (CMB) to London (LHR), departed at 13:22 and is expected to arrive at 19:50 (local time in London, UTC+1) and land at Heathrow Airport (LHR)
Mon, Aug 17
Tue, Aug 18
Wed, Aug 19
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Arrived
The flight has arrived 14m early
11h 20m
Check-in Counter
--
Boarding Gate
9
Arrival Gate
--
Baggage
2
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En route
Your flight has departed Colombo and is expected to arrive in London at 19:50.
11h 20m
Check-in Counter
--
Boarding Gate
8
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
11h 20m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlight.VariFlight.
Please refer to airport announcements for the most up-to-date information.
You can also explore more flights from Colombo to London or track other flights with our flight status tracker.
Track the Previous Flight Status: Landed at Colombo
UL122
|
Chennai (MAA)
Colombo (CMB)
Colombo (CMB)
Scheduled: 11:20
|
0 early
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UL503 Aircraft Details
According to Trip.com real-time data, the UL503 flight flying from Colombo to London on 8/18/2026 is operated by the aircraft model Airbus A330-300. This aircraft has been in service for 10y, 8m. The aircraft is equipped with 297 seats.
Airbus A330-300
Punctuality (Departure)
83
%
Punctuality (Arrival)
93
%
Early on average
4 minutes
Age
10y, 8m
Seats
297
Flight Distance
--
Economy
Business
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
--
Legroom
43 cm
Seat width
110°
Reclining Angle
2-4-2
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
--
Legroom
53 cm
Seat width
180°
Reclining Angle
Fully reclinable
1-2-1
Seat layout example
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Flight History for UL503
Trip.com historical records show that the last UL503 flight departed on Mon, Aug 17 from CMB at approximately 13:16. This flight is expected to arrrive in LHR at 19:46.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Aug 13 | Colombo (CMB) | London (LHR) | 333 | 13:45 | 19:57 | Arrived |
| Fri, Aug 14 | Colombo (CMB) | London (LHR) | 333 | 14:15 | 20:32 | Arrived |
| Sat, Aug 15 | Colombo (CMB) | London (LHR) | 333 | 13:20 | 19:46 | Arrived |
| Sun, Aug 16 | Colombo (CMB) | London (LHR) | 333 | 13:17 | 19:45 | Arrived |
| Mon, Aug 17 | Colombo (CMB) | London (LHR) | 333 | 13:16 | 19:46 | Arrived |
| Tue, Aug 18 | Colombo (CMB) | London (LHR) | 333 | 13:22 | 19:50 | En route |
| Wed, Aug 19 | Colombo (CMB) | London (LHR) | 333 | 13:10 | 20:00 | Scheduled |
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UL503 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UL503 is 83% (Late on average 19 minutes), and the on-time arrival rate is 93% (Early on average 4 minutes).
On-Time Departures
Punctuality
83
%
Late on average
19 minutes
Early
0
%
On time
83
%
30 mins late
10
%
60 mins late
7
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
93
%
Early on average
4 minutes
Early
77
%
On time
17
%
30 mins late
7
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
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Arrival Info: London Weather & Current Time
Showers
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15°C - 24°C
Weather forecast for your arrival day
-4.5 hour time difference
Time on arrival: Colombo 00:20
|
London 19:50
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