SriLankan Airlines
UL503 Flight Status (Colombo to London)
According to Trip.com real-time data, the UL503 flight operated by SriLankan Airlines on Sep 12, 2026 is scheduled to fly from Colombo (CMB) to London (LHR). The flight is expected to depart at 13:10 (local time in Colombo, UTC+5.5) and land at 20:00 (local time in London, UTC+1) .
Fri, Sep 11
Sat, Sep 12
Access more flight status info on the Trip.com app
Show more
En route
Your flight has departed Colombo and is expected to arrive in London at 19:51.
11h 20m
Check-in Counter
--
Boarding Gate
9
Arrival Gate
--
Baggage
--
Access more flight status info on the Trip.com app
Show more
Scheduled
Your flight will depart on time.
11h 20m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Show more
Information provided by VariFlight
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 and Cabin Information - Colombo to London on SriLankan Airlines
According to Trip.com real-time data, the UL503 flight flying from Colombo to London on 9/12/2026 is operated by the aircraft model Airbus A330-300. This aircraft has been in service for 10y, 11m. The aircraft is equipped with 297 seats.
Airbus A330-300
Punctuality (Departure)
87
%
Punctuality (Arrival)
93
%
Late on average
0 minutes
Age
10y, 11m
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
See more amenities and seat info in the app
Show more
UL503 Recent Flight History and Status - SriLankan Airlines
Trip.com historical records show that the last UL503 flight departed on Fri, Sep 11 from CMB at approximately 13:17. This flight is expected to arrrive in LHR at 19:51.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Sep 6 | Colombo (CMB) | London (LHR) | 333 | 13:18 | 20:03 | Arrived |
| Mon, Sep 7 | Colombo (CMB) | London (LHR) | 333 | 13:16 | 19:57 | Arrived |
| Tue, Sep 8 | Colombo (CMB) | London (LHR) | 333 | 13:25 | 19:24 | Diverted |
| Thu, Sep 10 | Colombo (CMB) | London (LHR) | 333 | 13:28 | 20:11 | Arrived |
| Fri, Sep 11 | Colombo (CMB) | London (LHR) | 333 | 13:17 | 19:51 | En route |
| Sat, Sep 12 | Colombo (CMB) | London (LHR) | 333 | 13:10 | 20:00 | Scheduled |
text.text............fake.row.text............text.........fake row
...text
Check upcoming flights with our app
Show more
UL503 On-Time Performance, Departure, and Arrival Trends
Review UL503 on-time performance based on recent trips, including departure punctuality, arrival punctuality, average delays, and early arrival trends to better understand overall flight reliability. Based on the average performance of UL503 flight over the past 30 trips, the on-time departure rate of UL503 is 87% (Late on average 16 minutes), while the on-time arrival rate is 93% (Early on average 0 minutes).
On-Time Departures
Punctuality
87
%
Late on average
16 minutes
Early
3
%
On time
83
%
30 mins late
10
%
60 mins late
3
%
90 mins late
0
%
Canceled
0
%
On-Time Arrivals
Punctuality
93
%
Early on average
0 minutes
Early
57
%
On time
37
%
30 mins late
7
%
60 mins late
0
%
90 mins late
0
%
Canceled
0
%
Recommended hotels in London
Hotels near Heathrow Airport
Hotels near London
8.8
/10
391 Reviews
Hilton Garden Inn London Heathrow Terminal 2 and 3
Heathrow
|
0.02 km from the airport
TRY 19,195
TRY 21,929
8.8
/10
88 Reviews
Aerotel London Heathrow Airport, Terminal 2 & Terminal 3
Heathrow
|
0.37 km from the airport
TRY 13,241
8.8
/10
291 Reviews
Renaissance London Heathrow Hotel
Heathrow
|
1.31 km from the airport
TRY 6,867
8.4
/10
346 Reviews
Leonardo London Heathrow Airport
Heathrow
|
1.35 km from the airport
9% off
TRY 5,780
TRY 5,272
9.8
/10
20 Reviews
Henrys Townhouse Marylebone
Marylebone
|
2.57 km from downtown
TRY 295,323
9.4
/10
79 Reviews
The Peninsula London
Hyde Park
|
1.96 km from downtown
TRY 54,307
-
/10
Reviews
Luxury 4-Bed Duplex Penthouse
3.24 km from downtown
TRY 102,393
9.6
/10
7 Reviews
The Chancery Rosewood
Mayfair
|
1.93 km from downtown
TRY 107,962
Cheap return flights to Colombo
-
Tue, Oct 13London (LON)Colombo (CMB)
Ryanair
One way11% offTRY 16,337TRY 14,562 -
Sat, Sep 26London (LON)Colombo (CMB)
Ryanair
One way10% offTRY 16,337TRY 14,678
-
Thu, Oct 15London (LON)Colombo (CMB)
Ryanair
One way9% offTRY 16,337TRY 14,794
-
Sat, Oct 17London (LON)Colombo (CMB)
easyJet
One way9% offTRY 16,337TRY 14,910 -
Wed, Sep 23London (LON)Colombo (CMB)
Ryanair
One way8% offTRY 16,337TRY 15,106
-
Sat, Oct 31London (LON)Colombo (CMB)
Ryanair
One way7% offTRY 16,337TRY 15,193
More Cheap Flights
Frequently Asked Questions
-
What is the current status of flight ul503?
Flight ul503 has not departed yet and is currently on schedule. Scheduled departure 13:10, arrival 20:00 (updated Sep 12, 2026). -
Is flight ul503 on time today?
Flight ul503 has not departed yet and is currently on schedule. Scheduled departure is 13:10, with arrival at 20:00. 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 13:10. The latest actual or estimated departure time is 13:10, and the current status is Scheduled (updated Sep 12, 2026). -
When is flight ul503 scheduled to arrive?
Flight ul503 is scheduled to arrive at 20:00. The latest estimated or actual arrival time is 20:00. Status is Scheduled as of Sep 12, 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 hours20 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 Sep 12, 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 13:10. -
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.
London Vacation Packages: Cheap Flights, Hotels & Tours
Hotels
Airport Transfers
Tours & Tickets
Car Rentals
Arrival Info: London Weather & Current Time
Partly clear
|
17°C - 23°C
Weather forecast for your arrival day
-4.5 hour time difference
Time on arrival: Colombo 00:30
|
London 20:00
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Convenient & reliable booking and payment system