SriLankan Airlines UL504 Flight status
According to Trip.com real-time data, the UL504 flight operated by SriLankan Airlines on Sep 20, 2026 is scheduled to fly from London (LHR) to Colombo (CMB). The flight is expected to depart at 21:30 (local time in London, UTC+1) and arrive at 12:45 (local time in Colombo, UTC+5.5) .
Sat, Sep 19
Sun, Sep 20
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Scheduled
Your flight will depart on time.
10h 45m
Check-in Counter
B
Boarding Gate
31
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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Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from London to Colombo or track other flights with our flight status tracker.
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UL504
UL504 Aircraft Details
According to Trip.com real-time data, the UL504 flight from London to Colombo on 9/20/2026 is operated using the aircraft model Airbus A330-300. This aircraft has been in service for 11y. The aircraft has 297 seats.
Airbus A330-300
Punctuality (Departure)
17%
Punctuality (Arrival)
77%
Late on average
20 minutes
Age
11y
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 UL504
Trip.com historical records show that the last UL504 flight departed on Sat, Sep 19 from LHR at approximately 21:41. This flight is expected to arrrive in CMB at 12:27.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Sep 14 | London (LHR) | Colombo (CMB) | 333 | 22:01 | 12:46 | Arrived |
| Tue, Sep 15 | London (LHR) | Colombo (CMB) | 333 | 22:07 | 12:52 | Arrived |
| Wed, Sep 16 | London (LHR) | Colombo (CMB) | 333 | 22:01 | 12:45 | Arrived |
| Thu, Sep 17 | London (LHR) | Colombo (CMB) | 333 | 22:15 | 13:05 | Arrived |
| Fri, Sep 18 | London (LHR) | Colombo (CMB) | 333 | 21:54 | 12:50 | Arrived |
| Sat, Sep 19 | London (LHR) | Colombo (CMB) | 333 | 21:41 | 12:27 | Scheduled |
| Sun, Sep 20 | 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 17% (Late on average 45 minutes), and the on-time arrival rate is 77% (Late on average 20 minutes).
On-Time Departures
Punctuality
17%
Late on average 45 minutes
Early
0%
On time
17%
30 mins late
63%
60 mins late
7%
90 mins late
13%
Cancelled
1%
On-Time Arrivals
Punctuality
77%
Late on average 20 minutes
Early
20%
On time
57%
30 mins late
10%
60 mins late
13%
90 mins late
0%
Cancelled
1%
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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 Sep 20, 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 Sep 20, 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 12:45. Status is Scheduled as of Sep 20, 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 Sunday.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 Sep 20, 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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4.5 hour time difference
Time on arrival: London 08:15| Colombo 12:45
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