| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 26 | CMB | LHR | 13:36 | 20:00 |
En-Route
|
Track > |
| Jul 25 | CMB | LHR | 13:35 | 20:03 |
Landed
|
Track > |
| Jul 24 | CMB | LHR | 13:20 | 19:59 |
Landed
|
Track > |
| Jul 23 | CMB | LHR | 13:23 | 19:55 |
Landed
|
Track > |
| Jul 22 | CMB | LHR | 14:05 | 20:32 |
Landed Late
|
Track > |
| Jul 21 | CMB | LHR | 13:17 | 19:49 |
Landed
|
Track > |
| Jul 20 | CMB | LHR | 13:15 | 19:44 |
Landed
|
Track > |
| Jul 19 | CMB | LHR | 13:27 | 20:01 |
Landed
|
Track > |
| Jul 18 | CMB | LHR | 13:22 | 19:51 |
Unknown
|
Track > |
| Jul 17 | CMB | LHR | 13:24 | 19:59 |
Landed
|
Track > |
SriLankan Airlines Flight UL503 connects Colombo, Sri Lanka to London, United Kingdom, taking off from Colombo Bandaranaike International Airport CMB and landing at London Heathrow Airport LHR.
How long is the UL503 flight from Colombo to London?
The average flight time from Colombo to London is 11 hours and 1 minute. The flight distance is 8715 km / 5415 miles and the average flight speed is 788 km/h / 490 mph.
How many UL503 flights are operated per week?
7 flights per week. The flight UL503 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of SriLankan Airlines Flight UL503 Colombo to London?
The Airportia On-Time Performance Rating for SriLankan Airlines Flight UL503 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UL503 arriving at?
Flight UL503 arrives at London Heathrow Airport (LHR) Terminal 3.
When was the latest UL503 flight?
The latest flight took off on Sunday, July 26th, 2026 with the flight status being En-Route on 20:00.
How else can the flight UL503 be referenced as?
This SriLankan Airlines flight can also be referenced as ALK503, UL0503, UL 503, ALK 503.
How often is flight UL503 delayed?
On average, 30% of all UL503 flights are delayed. The average delay is 12 minutes.
See our UL503 Flight Tracker above for more details.
Flight UL503 is code-shared by 1 airline using the flight number AC6887
Other flights departing from Colombo CMB: UL308, 6E1180, UL115, UL127
Other flights arriving at London LHR: ZH887, GS7987, EK5, VS26
All flights connecting Colombo CMB to London LHR.
