Srilankan Airlines UL503 Flight Status
According to Trip.com real-time data, the UL503 flight operated by Srilankan Airlines on Oct 31, 2026 is scheduled to fly from Colombo (CMB) to London (LHR). The flight is expected to depart at 12:55 (local time in Colombo, UTC+5.5) and land at 19:10 (local time in London, UTC+0) .
Fri, Oct 30
Sat, Oct 31
Sun, Nov 1
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En route
Your flight has departed Colombo and is expected to arrive in London at 20:02.
11h 45m
Check-in Counter
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Boarding Gate
--
Arrival Gate
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Baggage
--
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Scheduled
Your flight will depart on time.
11h 45m
Check-in Counter
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Boarding Gate
9
Arrival Gate
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Baggage
--
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Srilankan Airlines From S$ 576
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Scheduled
Your flight will depart on time.
11h 45m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Need a flight from Colombo to London?
Srilankan Airlines From S$ 576
Search flights Information provided by 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: Scheduled
UL122
|
Chennai (MAA)
Colombo (CMB)
Colombo (CMB)
Scheduled: 11:10
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UL503 Aircraft Details
According to Trip.com real-time data, the UL503 flight flying from Colombo to London on 10/31/2026 is operated by the aircraft model Airbus A330-300. This aircraft has been in service for 11y, 7m. The aircraft is equipped with 297 seats.
Airbus A330-300
Punctuality (Departure)
87
%
Punctuality (Arrival)
87
%
Late on average
12 minutes
Age
11y, 7m
Seats
297
Flight Distance
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Economy
Business
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
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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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Recent Flight History for UL503
Trip.com historical records show that the last UL503 flight departed on Fri, Oct 30 from CMB at approximately 14:19. This flight is expected to arrrive in LHR at 20:02.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Oct 26 | Colombo (CMB) | London (LHR) | 333 | 13:07 | 19:14 | Arrived |
| Tue, Oct 27 | Colombo (CMB) | London (LHR) | 333 | 13:09 | 18:50 | Arrived |
| Wed, Oct 28 | Colombo (CMB) | London (LHR) | 333 | 16:44 | 22:12 | Arrived |
| Thu, Oct 29 | Colombo (CMB) | London (LHR) | 333 | 13:23 | 19:04 | Arrived |
| Fri, Oct 30 | Colombo (CMB) | London (LHR) | 333 | 14:19 | 20:02 | En route |
| Sat, Oct 31 | Colombo (CMB) | London (LHR) | 333 | 12:55 | 19:10 | Scheduled |
| Sun, Nov 1 | 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 past 30 trips, the on-time departure rate of UL503 is 87% (Late on average 23 minutes), and the on-time arrival rate is 87% (Late on average 12 minutes).
On-Time Departures
Punctuality
87
%
Late on average
23 minutes
Early
3
%
On time
83
%
30 mins late
3
%
60 mins late
3
%
90 mins late
7
%
Cancelled
0
%
On-Time Arrivals
Punctuality
87
%
Late on average
12 minutes
Early
30
%
On time
57
%
30 mins late
3
%
60 mins late
3
%
90 mins late
7
%
Cancelled
0
%
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Frequently Asked Questions
What is the current status of flight ul503?
Flight ul503 has not departed yet and is currently on schedule. Scheduled departure 12:55, arrival 19:10 (updated Oct 31, 2026).Is flight ul503 on time today?
Flight ul503 has not departed yet and is currently on schedule. Scheduled departure is 12:55, with arrival at 19:10. Recheck gate and timing before you head to the airport.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 12:55, and the current status is Scheduled (updated Oct 31, 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 19:10. Status is Scheduled as of Oct 31, 2026.What is the gate information for flight ul503?
For flight ul503, the departure terminal is T1 and the boarding gate is 9. Gate assignments can change at short notice—confirm on airport screens before heading to security.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 Saturday.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 (Scheduled, updated Oct 31, 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 not departed from Colombo (CMB) yet and is currently on schedule for 12:55.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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Time on arrival: Colombo 00:40
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