SriLankan Airlines
UL504 Flight Status
According to Trip.com latest record on status for SriLankan Airlines flight UL504 from London to Colombo (LHR-CMB): Flights for Aug 29, 2026 are scheduled, with the next departure slated for 21:30 from LHR and an expected arrival at 12:19 at CMB .
Fri, Aug 28
Sat, Aug 29
Sun, Aug 30
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Arrived
The flight arrived 1h 27m late.
10h 45m
Check-in Counter
B
Boarding Gate
27
Arrival Gate
--
Baggage
5
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Scheduled
Your flight will depart on time.
10h 45m
Check-in Counter
B
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
10h 45m
Check-in Counter
B
Boarding Gate
--
Arrival Gate
--
Baggage
--
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UL504
Track the Previous Flight Status: In Flight
UL503
|
Colombo (CMB)
London (LON)
London (LON)
Scheduled: 20:00
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UL504 Aircraft Specifications
According to Trip.com real-time data, the UL504 flight from London to Colombo on 8/29/2026 is operated using the aircraft model Airbus A330-300. This aircraft has been in service for 10y, 8m. The aircraft has 297 seats.
Airbus A330-300
On-Time Departure
27
%
On-Time Arrival
77
%
Avg. Delay
18 minutes
Aircraft Age
10y, 8m
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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UL504 Flight History
Trip.com historical records show that the last UL504 flight departed on Fri, Aug 28 from LHR at approximately 23:11. This flight is expected to arrrive in CMB at 14:12.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Aug 24 | London (LHR) | Colombo (CMB) | 333 | 22:05 | 12:54 | Arrived |
| Tue, Aug 25 | London (LHR) | Colombo (CMB) | 333 | 23:02 | 14:04 | Arrived |
| Wed, Aug 26 | London (LHR) | Colombo (CMB) | 333 | 22:01 | 12:46 | Arrived |
| Thu, Aug 27 | London (LHR) | Colombo (CMB) | 333 | 23:12 | 14:12 | Arrived |
| Fri, Aug 28 | London (LHR) | Colombo (CMB) | 333 | 23:11 | 14:12 | Arrived |
| Sat, Aug 29 | London (LHR) | Colombo (CMB) | 333 | 21:30 | 12:19 | Scheduled |
| Sun, Aug 30 | London (LHR) | Colombo (CMB) | 333 | 21:30 | 12:45 | Scheduled |
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UL504 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UL504 is 27% (Late on average 43 minutes), and the on-time arrival rate is 77% (Late on average 18 minutes).
On-Time Departures
Punctuality
27
%
Late on average
43 minutes
Early
0
%
On time
27
%
30 mins late
53
%
60 mins late
10
%
90 mins late
10
%
Cancelled
0
%
On-Time Arrivals
Punctuality
77
%
Late on average
18 minutes
Early
17
%
On time
60
%
30 mins late
13
%
60 mins late
10
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
-
What is the current status of flight ul504?
Flight ul504 has not departed yet and is currently on schedule. Scheduled departure 21:30, arrival 12:45 (updated Aug 29, 2026). -
Is flight ul504 on time today?
Flight ul504 has not departed yet and is currently on schedule. Scheduled departure is 21:30, with arrival at 12:45. Recheck gate and timing before you head to the airport. -
Has flight ul504 departed yet? What is the departure time?
Flight ul504 is scheduled to depart at 21:30. The latest actual or estimated departure time is 21:30, and the current status is Scheduled (updated Aug 29, 2026). -
When is flight ul504 scheduled to arrive?
Flight ul504 is scheduled to arrive at 12:45. The latest estimated or actual arrival time is 12:19. Status is Scheduled as of Aug 29, 2026. -
What route does flight ul504 fly?
Flight ul504 is operated by SriLankan Airlines from London (LHR) to Colombo (CMB). Typical flight time is about 10 hours 45 minutes; operating days may include Saturday. -
How can I check real-time status for flight ul504?
Track flight ul504 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 ul504 is delayed or canceled, what should I do?
If ul504 is delayed or canceled, first confirm the latest status here (Scheduled, updated Aug 29, 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 ul504 departed from London?
Flight ul504 has not departed from London (LHR) yet and is currently on schedule for 21:30. -
What is the seat configuration for flight ul504?
Flight ul504 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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When You Land: Colombo Weather & Time Zone
Cloudy
|
26°C - 31°C
Weather forecast for your arrival day
4.5 hour time difference
Time on arrival: London 07:49
|
Colombo 12:19
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