How long is the CX635 flight from Hong Kong to Singapore?

The timetable allows 4 h 5 min. Hong Kong to Singapore is 2,565 km (1,594 mi).

Which terminal does CX635 use?

It usually leaves from Terminal 1 at Hong Kong International Airport (HKG) and arrives at Terminal 4 at Singapore Changi Airport (SIN). Check the flight card above for today's terminal and gate.

What other flight numbers does CX635 have?

Also listed as CPA635 (Cathay Pacific's ICAO code) and CX 635.

CX635 Flight Status Cathay Pacific: Hong Kong to Singapore (CPA635)

Cathay Pacific CX 635

En-Route, Arriving in 25'

HKG Hong Kong

Scheduled: 15:05
Actual: 15:26

Terminal: 1 | Gate: 31

Departure: Sat, Nov 14, 2026 · local time UTC+8

Hong Kong International Airport (HKG)

All HKG Departures >

SIN Singapore

Scheduled: 19:10
Estimated: 18:59
Delay

Terminal: 4 | Gate: G18

Arrival: Sat, Nov 14, 2026 · local time UTC+8

Singapore Changi Airport (SIN)

All SIN Arrivals >

Departed 3h 07m ago · lands in 25m 88%

HKG 15:26 SIN 18:59

2,263 km (1,406 mi) flown · 303 km (188 mi) to go

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

Add to calendar

Distance: 2565 km / 1594 miles · Scheduled Duration: 04:05 · Typical Duration: 03:20

CX 635 Flight Status & Schedule Cathay Pacific Hong Kong to Singapore

Date	From	To	Departure	Arrival	Status	Details
Nov 14	HKG	SIN	15:26	18:59	En-Route	Track >
Nov 13	HKG	SIN	16:08	19:33	Landed Late	Track >
Nov 12	HKG	SIN	15:22	18:37	Landed	Track >
Nov 11	HKG	SIN	15:24	18:56	Landed	Track >
Nov 10	HKG	SIN	15:14	18:36	Landed	Track >
Nov 09	HKG	SIN	15:29	18:52	Landed	Track >
Nov 08	HKG	SIN	15:18	18:30	Landed	Track >
Nov 05	HKG	SIN	15:13	18:34	Landed	Track >
Nov 02	HKG	SIN	16:21	19:35	Landed Late	Track >
Nov 01	HKG	SIN	15:25	18:45	Landed	Track >

Cathay Pacific's Hong Kong–Singapore flight covers 2,565 km (1,594 mi) and runs daily. Its timetable allows 4 h 5 min; in practice it usually takes about 3 h 20 min, so it often makes up time. Today it left at 15:26, 21 minutes late, and is due in Singapore at 18:59, 11 minutes early.

< All Hong Kong HKG Departures All Singapore SIN Arrivals >

About CX 635

Cathay Pacific Flight CX635 connects Hong Kong, Hong Kong to Singapore, Singapore, taking off from Hong Kong International Airport HKG and landing at Singapore Changi Airport SIN.

Route: Hong Kong International Airport HKG to Singapore Changi Airport SIN
Distance: 2,565 km (1,594 mi)
Typical flight time: 3 h 20 min
Flies: Daily
On time: 7 of the last 9
Average delay when late: 24 min
Usually departs from: Terminal 1

CX 635 FAQ

How long is the CX635 flight from Hong Kong to Singapore?: The timetable allows 4 h 5 min. Hong Kong to Singapore is 2,565 km (1,594 mi).
How often is CX635 from Hong Kong to Singapore late?: 2 of the last 9 flights arrived 15 or more minutes late; when late, by 24 minutes on average.
When was the latest CX635 flight from Hong Kong to Singapore?: The latest CX635 was the 15:05 (local time) departure from Hong Kong on 13 November 2026; it landed 23 minutes late.
Which days does CX635 fly from Hong Kong to Singapore?: Daily: it was scheduled on each of the last 7 days.
Which terminal does CX635 use?: It usually leaves from Terminal 1 at Hong Kong International Airport (HKG) and arrives at Terminal 4 at Singapore Changi Airport (SIN). Check the flight card above for today's terminal and gate.
What other flight numbers does CX635 have?: Also listed as CPA635 (Cathay Pacific's ICAO code) and CX 635.

CX635 and Hong Kong HKG to Singapore SIN Flights

Flight CX635 is code-shared by 1 airline using the flight number OM5731

Other flights departing from Hong Kong HKG: HB932, CX380, OD606

Other flights arriving at Singapore SIN: SQ254, TR245, TR487

All flights connecting Hong Kong HKG to Singapore SIN.