Cathay Pacific CX521 Flight status
According to Trip.com real-time data, the CX521 flight operated by Cathay Pacific on Oct 24, 2026 is scheduled to fly from Tokyo (NRT) to Hong Kong (HKG). The flight is expected to depart at 17:15 (local time in Tokyo, UTC+9) and arrive at 20:17 (local time in Hong Kong, UTC+8) .
Fri, Oct 23
Sat, Oct 24
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Arrived
The flight has arrived on time
2934km
4h 55m
Check-in Counter
H,I
Boarding Gate
92
Arrival Gate
--
Baggage
16
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Scheduled
Your flight will depart on time.
4h 55m
Check-in Counter
H,I
Boarding Gate
--
Arrival Gate
--
Baggage
--
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CX521 Aircraft Details
According to Trip.com real-time data, the CX521 flight from Tokyo to Hong Kong on 10/24/2026 is operated using the aircraft model Boeing 777-300. This aircraft has been in service for 27y, 1m. The aircraft has 398 seats.
Boeing 777-300
Punctuality (Departure)
20
%
Punctuality (Arrival)
83
%
Late on average
2 minutes
Age
27y, 1m
Seats
398
Flight Distance
--
Economy
Business
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
81 cm
More legroom than on 60% of flights
46 cm
Seat width better than on 54% of flights
110°
Reclining Angle
3-4-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (free)
USB port and power outlet
Seat Information
114 cm
Legroom
51 cm
Seat width better than on 5% of flights
126°
Reclining Angle
2-3-2
Seat layout example
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Flight History for CX521
Trip.com historical records show that the last CX521 flight departed on Fri, Oct 23 from NRT at approximately 18:12. This flight is expected to arrrive in HKG at 21:10.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Oct 18 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 17:37 | 20:33 | Arrived |
| Mon, Oct 19 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 18:21 | 21:17 | Arrived |
| Tue, Oct 20 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 17:51 | 20:46 | Arrived |
| Wed, Oct 21 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 18:35 | 21:45 | Arrived |
| Thu, Oct 22 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 17:49 | 21:19 | Arrived |
| Fri, Oct 23 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 18:12 | 21:10 | Arrived |
| Sat, Oct 24 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 17:15 | 20:17 | Scheduled |
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CX521 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of CX521 is 20% (Late on average 53 minutes), and the on-time arrival rate is 83% (Late on average 2 minutes).
On-Time Departures
Punctuality
20
%
Late on average
53 minutes
Early
0
%
On time
20
%
30 mins late
47
%
60 mins late
20
%
90 mins late
13
%
Cancelled
0
%
On-Time Arrivals
Punctuality
83
%
Late on average
2 minutes
Early
53
%
On time
30
%
30 mins late
13
%
60 mins late
3
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight cx521?
Flight cx521 has not departed yet and is currently on schedule. Scheduled departure 17:15, arrival 21:10 (updated Oct 24, 2026).Is flight cx521 on time today?
Flight cx521 has not departed yet and is currently on schedule. Scheduled departure is 17:15, with arrival at 21:10. Recheck gate and timing before you head to the airport.Has flight cx521 departed yet? What is the departure time?
Flight cx521 is scheduled to depart at 17:15. The latest actual or estimated departure time is 17:15, and the current status is Scheduled (updated Oct 24, 2026).When is flight cx521 scheduled to arrive?
Flight cx521 is scheduled to arrive at 21:10. The latest estimated or actual arrival time is 20:17. Status is Scheduled as of Oct 24, 2026.What route does flight cx521 fly?
Flight cx521 is operated by Cathay Pacific from Tokyo (NRT) to Hong Kong (HKG). Typical flight time is about 4 hours 55 minutes; operating days may include Saturday.How can I check real-time status for flight cx521?
Track flight cx521 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight cx521 is delayed or canceled, what should I do?
If cx521 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 24, 2026). Contact Cathay Pacific or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight cx521 departed from Tokyo?
Flight cx521 has not departed from Tokyo (NRT) yet and is currently on schedule for 17:15.What is the seat configuration for flight cx521?
Flight cx521 usually flies a Boeing 777-300 with seat layout 3-4-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: Hong Kong Weather & Current Time
Cloudy
|
25°C - 31°C
Weather forecast for your arrival day
-1 hour time difference
Time on arrival: Tokyo 21:17
|
Hong Kong 20:17
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