SriLankan Airlines UL503 Flight Status
According to Trip.com latest record on status for SriLankan Airlines flight UL503 from Colombo to London (CMB-LHR): Flight UL503 has taken off from Bandaranaike International Airport at 13:03, and is currently en-route to Heathrow Airport. Estimated time of arrival is 18:44.
Tue, Nov 10
Wed, Nov 11
Thu, Nov 12
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Arrived
The flight arrived 17m early.
11h 45m
Check-in Counter
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Boarding Gate
9
Arrival Gate
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Baggage
9
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In Flight
Your flight has departed Colombo and is expected to arrive in London at 18:44.
11h 45m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
11h 45m
Check-in Counter
--
Boarding Gate
9
Arrival Gate
--
Baggage
--
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SriLankan Airlines From KRW 500,100
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UL503
Track the Previous Flight Status: Delayed
UL102
|
Malé (MLE)
Colombo (CMB)
Colombo (CMB)
Scheduled: 11:20
|
14m late
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UL503 Aircraft Specifications
According to Trip.com real-time data, the UL503 flight from Colombo to London on 11/11/2026 is operated using the aircraft model Airbus A330-300. This aircraft has been in service for 10y, 11m. The aircraft has 297 seats.
Airbus A330-300
On-Time Departure
77
%
On-Time Arrival
87
%
Avg. Delay
6 minutes
Aircraft Age
10y, 11m
Total Seats
297
Flight Distance
--
Economy
Business
Cabin Amenities
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
Cabin Amenities
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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UL503 Flight History
Trip.com historical records show that the last UL503 flight departed on Tue, Nov 10 from CMB at approximately 12:59. This flight is expected to arrrive in LHR at 18:53.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Nov 6 | Colombo (CMB) | London (LHR) | 333 | 13:20 | 19:10 | Arrived |
| Sat, Nov 7 | Colombo (CMB) | London (LHR) | 333 | 13:23 | 19:01 | Arrived |
| Sun, Nov 8 | Colombo (CMB) | London (LHR) | 333 | 13:12 | 19:08 | Arrived |
| Mon, Nov 9 | Colombo (CMB) | London (LHR) | 333 | 12:59 | 19:01 | Arrived |
| Tue, Nov 10 | Colombo (CMB) | London (LHR) | 333 | 12:59 | 18:53 | Arrived |
| Wed, Nov 11 | Colombo (CMB) | London (LHR) | 333 | 13:03 | 18:44 | In Flight |
| Thu, Nov 12 | Colombo (CMB) | London (LHR) | 333 | 12:55 | 19:10 | Scheduled |
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UL503 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UL503 is 77% (Late on average 29 minutes), and the on-time arrival rate is 87% (Late on average 6 minutes).
On-Time Departures
Punctuality
77
%
Late on average
29 minutes
Early
3
%
On time
73
%
30 mins late
7
%
60 mins late
7
%
90 mins late
10
%
Cancelled
0
%
On-Time Arrivals
Punctuality
87
%
Late on average
6 minutes
Early
43
%
On time
43
%
30 mins late
10
%
60 mins late
0
%
90 mins late
3
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight ul503?
Flight ul503 has departed (status: In Flight). Departure 13:03, estimated arrival 18:44 (updated Nov 11, 2026).Is flight ul503 on time today?
Flight ul503 has already departed (status: In Flight). It took off at 13:03 and is estimated to arrive at 18:44.Has flight ul503 departed yet? What is the departure time?
Flight ul503 is scheduled to depart at 12:55. The latest actual or estimated departure time is 13:03, and the current status is In Flight (updated Nov 11, 2026).When is flight ul503 scheduled to arrive?
Flight ul503 is scheduled to arrive at 19:10. The latest estimated or actual arrival time is 18:44. Status is In Flight as of Nov 11, 2026.What route does flight ul503 fly?
Flight ul503 is operated by SriLankan Airlines from Colombo (CMB) to London (LHR). Typical flight time is about 11 hours 45 minutes; operating days may include Wednesday.How can I check real-time status for flight ul503?
Track flight ul503 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ul503 is delayed or canceled, what should I do?
If ul503 is delayed or canceled, first confirm the latest status here (In Flight, updated Nov 11, 2026). Contact SriLankan Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ul503 departed from Colombo?
Flight ul503 has departed from Colombo (CMB) at 13:03 (status: In Flight).What is the seat configuration for flight ul503?
Flight ul503 usually flies a Airbus A330-300 with seat layout 2-4-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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