Cathay Pacific
CX 257: Hong Kong → London
CX 257 (Cathay Pacific) is scheduled to leave Hong Kong at 08:05 and land in London at 15:15. The flight is very punctual: 100% of the last 89 departures were on time.
How punctual is CX 257?
- on time (≤ 15 min)
- 100 %
- median deviation
- 0 min
- more than 1 hour late
- 0 %
Based on 89 departures in the roughly three months up to 12 August 2026. On time means leaving the gate no more than 15 minutes late.
Delay, gate and terminal on your phone – even when the app is closed.
100% of departures were no more than 15 minutes behind schedule. That is 39 percentage points above the average across all 497 flight numbers FlightPeek analyses (61%). On average, CX 257 leaves exactly on schedule. No departure in the period was more than an hour late.
What to do if CX 257 is delayed
This flight departs outside the EU. EU Regulation 261/2004 then only applies if an EU airline flies into the EU – otherwise the rules of the departure country and the airline's conditions apply.
Frequently asked questions
- How punctual is CX 257?
- In the roughly three months up to 12 August 2026, 100% of 89 departures left no more than 15 minutes late. On average, CX 257 leaves exactly on schedule.
- When does CX 257 depart and arrive?
- Scheduled departure is 08:05 local time in Hong Kong, arrival 15:15 local time in London, with a flight time of 14 h 10 min. Schedules change by season – your booking is what counts.
- Which aircraft operates CX 257?
- Most recently, CX 257 was flown with a AIRBUS A350. The airline can swap aircraft at short notice.
- How do I find out straight away if CX 257 is delayed?
- FlightPeek watches the flight and sends delay, gate, terminal and cancellation alerts to your phone – often before the departure board shows them.