| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 11 | CMB | LHR | 13:17 | 19:50 |
En-Route
|
Track > |
| Sep 10 | CMB | LHR | 13:28 | 20:11 |
Landed
|
Track > |
| Sep 09 | CMB | LHR | 13:14 | 20:15 |
Delayed
|
Track > |
| Sep 08 | CMB | LHR | 13:25 | 19:26 |
Diverted
|
Track > |
| Sep 07 | CMB | LHR | 13:16 | 19:57 |
Landed
|
Track > |
| Sep 06 | CMB | LHR | 13:18 | 20:03 |
Landed
|
Track > |
| Sep 05 | CMB | LHR | 13:19 | 20:05 |
Landed
|
Track > |
| Sep 04 | CMB | LHR | 13:21 | 19:59 |
Landed
|
Track > |
| Sep 03 | CMB | LHR | 13:26 | 20:03 |
Landed
|
Track > |
| Sep 02 | CMB | LHR | 13:27 | 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 7 minutes. The flight distance is 8715 km / 5415 miles and the average flight speed is 784 km/h / 487 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 Friday, September 11th, 2026 with the flight status being En-Route on 19:50.
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, 50% of all UL503 flights are delayed. The average delay is 7 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, JD431, GS7987, EK5
All flights connecting Colombo CMB to London LHR.
