SriLankan Airlines
UL503 Flight Status
According to Trip.com real-time data, the UL503 flight operated by SriLankan Airlines on Jul 26, 2026, flying from Colombo (CMB) to London (LHR), departed at 1:52 PM and is expected to arrive at 8:25 PM (local time in London, UTC+1) and land at Heathrow Airport (LHR).
Sat, Jul 25
Sun, Jul 26
Mon, Jul 27
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Arrived
The flight has arrived 3m late
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 8:25 PM.
11h 20m
Check-in Counter
--
Boarding Gate
9
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 VariFlightVariFlight.
For real-time updates, please check airport displays or contact your airline.
You can also explore more flights from Colombo to London or track other flights with our flight status tracker.
UL503 Aircraft Details
According to Trip.com real-time data, the UL503 flight flying from Colombo to London on 7/26/2026 is operated by the aircraft model Airbus A330-300. This aircraft has been in service for 10y, 10m. The aircraft is equipped with 297 seats.
Airbus A330-300
Punctuality (Departure)
97
%
Punctuality (Arrival)
100
%
Early on average
5 minutes
Age
10y, 10m
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 Sat, Jul 25 from CMB at approximately 1:35 PM. This flight is expected to arrrive in LHR at 8:03 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Jul 21 | Colombo (CMB) | London (LHR) | 333 | 1:17 PM | 7:49 PM | Arrived |
| Wed, Jul 22 | Colombo (CMB) | London (LHR) | 333 | 2:05 PM | 8:32 PM | Arrived |
| Thu, Jul 23 | Colombo (CMB) | London (LHR) | 333 | 1:23 PM | 7:55 PM | Arrived |
| Fri, Jul 24 | Colombo (CMB) | London (LHR) | 333 | 1:20 PM | 7:59 PM | Arrived |
| Sat, Jul 25 | Colombo (CMB) | London (LHR) | 333 | 1:35 PM | 8:03 PM | Arrived |
| Sun, Jul 26 | Colombo (CMB) | London (LHR) | 333 | 1:52 PM | 8:25 PM | En route |
| Mon, Jul 27 | Colombo (CMB) | London (LHR) | 333 | 1:10 PM | 8:00 PM | 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 97% (Late on average 11 minutes), and the on-time arrival rate is 100% (Early on average 5 minutes).
On-Time Departures
Punctuality
97
%
Late on average
11 minutes
Early
0
%
On time
97
%
30 mins late
3
%
60 mins late
0
%
90 mins late
0
%
Canceled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
5 minutes
Early
83
%
On time
17
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Canceled
0
%
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Arrival Info: London Weather & Current Time
Partly cloudy
|
14°C - 26°C
Weather forecast for your arrival day
-4.5 hour time difference
Time on arrival: Colombo 00:30
|
London 20:00
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