The sector is held by SriLankan Airlines.
Airport pair · hand carry reference
CMB Colombo to SYD Sydney
Bandaranaike International, Sri Lanka, to Kingsford Smith Airport, Australia. Computed from the scheduled network held on 2026-09-07.
- Nonstop
- 4 times a week
- Great circle
- 8,763 km
- Block, estimated
- 11h 03m
- Door to door
- 17h 48m
What CMB to SYD looks like
The CMB to SYD sector, the carriers on it and the flying time, before anything is promised to anybody.
Colombo CMB to Sydney SYD is an ultra long sector of 8,763 km by great circle, flown nonstop 4 times a week.
At the cruise speed this site models for 8,763 km, 880 km an hour, and thirty minutes of taxi at the two ends, the flight blocks at about 11h 03m.
Colombo CMB is a mid sized airport in the network held here, 45 scheduled destinations and 93.2 departures a day. Sydney SYD has 92 destinations and 432.7 departures a day.
Sydney carries about 4.6 times the departures of Colombo, so a courier who has to be rebooked has far more to work with at one end of this pair than at the other.
Sydney runs 5.5 hours ahead of Colombo in January and 4.5 hours ahead in July, because the two ends do not change their clocks together.
The pair sits inside Asia Pacific, a corridor where the site already publishes 16 written lanes that go into customs and ground detail this page does not.
Who flies the sector, and how often
Average daily frequencies on CMB to SYD from the scheduled route statistics, both directions, with the operating carriers named.
| Direction | Flights a day | Flights a week | Operated by |
|---|---|---|---|
| CMB to SYD | 0.57 | 4 | SriLankan Airlines |
| SYD to CMB | 0.57 | 4 | SriLankan Airlines |
One carrier holds the sector, SriLankan Airlines, so a cancellation has no second nonstop behind it and the connections below stop being theoretical.
Between them the two directions put about 8 departures a week on CMB to SYD, which is the number that decides whether a seat can be found today or on Thursday.
The clock from collection to signature
The same ground timings the route calculator starts from, applied to the 11h 03m block time on CMB to SYD. Change any of them in the tool further down and the total moves with them.
| Stage | Allowed | Elapsed |
|---|---|---|
| Collection and the run to CMB | 90 min | 1h 30m |
| At CMB before departure | 180 min | 4h 30m |
| CMB to SYD in the air, estimated | 663 min | 15h 33m |
| Formalities at SYD | 90 min | 17h 03m |
| Delivery run in Sydney | 45 min | 17h 48m |
| Door to door | 1,068 min | 17h 48m |
On the desk standard ground timings, ninety minutes to collect and reach the airport, three hours at the airport before departure, ninety minutes of arrival formalities and a forty five minute delivery run, the door to door figure for CMB to SYD is 17h 48m.
A courier who leaves Colombo at 09:00 local is on the ground in Sydney at about 01:33 local and at the door by 03:48 the following day.
Working backwards from a six in the evening handover in Sydney, nothing leaving Colombo inside a normal working day arrives in time, so this pair is an overnight and a next morning delivery rather than a same day one.
At 17h 48m the mission is past the sixteen hour duty day a single courier is planned against, so it is quoted with a rest at the far end or with a second courier, and never as a turnaround.
When the nonstop does not work
Every airport that joins the two ends, ranked by when they land, among the ones whose weaker leg is dependable enough to plan on. Connection time is allowed for the size of the hub. 16 of them join CMB to SYD.
| Connecting at | CMB to hub, flights a day | Hub to SYD, flights a day | Track, km | Estimated, gate to gate |
|---|---|---|---|---|
| Jakarta CGK | 1 | 1.43 | 8,837 | 12h 39m |
| Melbourne MEL | 1.57 | 77.14 | 9,063 | 13h 06m |
| Kuala Lumpur KUL | 5.71 | 5.86 | 9,052 | 13h 20m |
| Singapore SIN | 4.57 | 11 | 9,043 | 13h 21m |
| Ho Chi Minh City SGN | 0.71 | 2.43 | 9,812 | 14h 02m |
| Bangkok BKK | 3.43 | 3.29 | 9,907 | 14h 21m |
16 airports connect the two ends on the scheduled network held here. The quickest of the dependable ones is Jakarta CGK, where the weaker of the two legs still runs about once a day.
Through CGK the routing covers 8,837 km against the 8,763 km nonstop track and takes about 12h 39m in the air and on the ground at the hub, allowing 60 minutes to connect at an airport of that size.
That is only 1h 36m more than the nonstop, which is close enough that a connection is worth taking when the nonstop is full or badly timed.
Behind it, Melbourne MEL at 13h 06m and Kuala Lumpur KUL at 13h 20m hold the same connection, so a booking has three hubs to try before it has to wait for the nonstop.
Restricted hours at either end
Widely documented operating restrictions, checked 2026-09-07. Exemptions and seasonal variations exist, so confirm with the carrier before relying on any of them.
Sydney SYD is shut to scheduled movements between 23:00 and 06:00 local, which matters here because an aircraft leaving Colombo late arrives into a closed airport rather than a quiet one.
Sydney SYD, curfew: Curfew between 23:00 and 06:00 local. Jet departures are not permitted in that window and a late departure waits until morning.
Read back down the sector, a departure from Colombo later than about 06:27 local arrives at SYD after it has closed for the night, on the 11h 03m block time above.
Plan Colombo to Sydney yourself
The same tool the dispatchers use, open to anybody and free. It is loaded with this pair already. Change either end, add a stopover or a preferred airline, and it works out the connection, the transit and the door to door clock, with the real departures underneath. Put it on your own site if it is useful to you.
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Restrictions
Where this came from, and where to look next
- Carriers and frequencies: AeroDataBox scheduled route statistics, retrieved 2026-09-07. Average daily flights, not a timetable.
- Distances: great circle from published coordinates. They read short against a flown track, which is why the block time above applies a factor to them.
- Block and connection times: the same model the route calculator lower down this page runs, at the same rounding.
- Restrictions: the airport notes file, checked 2026-09-07.
- Industrial sites: public company information. Nothing here says or implies that any company named is a customer of any courier operator.
Who publishes this. OnBoard Courier is a placement desk in Dubai. An assignment is carried out by a vetted partner operator, with the desk as the single point of contact from the quote to the signature. This page exists because our own dispatchers need the answer for CMB to SYD in the twenty minutes before a promise is made, and a reference only one operator can read is not a reference. Free to read, quote and cite. Found an error? Tell us and we will correct it.
If you need something moved rather than looked up, the desk prices a hand carry in fifteen minutes.
- The CMB airport entry
- The SYD airport entry
- Hand carry into Sri Lanka
- Hand carry into Australia
- The written lane, Abu Dhabi to Colombo
- The written lane, Colombo to Sharjah
- The written lane, Dubai to Colombo
- The route calculator
More pairs through CMB and SYD: Singapore to Colombo, Colombo to Doha, Kuala Lumpur to Colombo, Frankfurt to Colombo, Colombo to Delhi, Colombo to Kuwait City, Colombo to Chennai, Bangkok to Colombo.