Cathay Pacific
CX521 Flight status
According to Trip.com real-time data, the CX521 flight operated by Cathay Pacific on Oct 2, 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 20:12 (local time in Hong Kong, UTC+8) .
Thu, Oct 1
Fri, Oct 2
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Arrived
The flight has arrived 33m early
2934km
4h 55m
Check-in Counter
H,I
Boarding Gate
98
Arrival Gate
--
Baggage
9
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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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Information provided by VariFlight
For real-time updates, please check airport displays or contact your airline.
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CX521 Aircraft Details
According to Trip.com real-time data, the CX521 flight from Tokyo to Hong Kong on 10/2/2026 is operated using the aircraft model Boeing 777-300. This aircraft has been in service for 23y, 8m. The aircraft has 398 seats.
Boeing 777-300
Punctuality (Departure)
17
%
Punctuality (Arrival)
87
%
Early on average
7 minutes
Age
23y, 8m
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 62% of flights
46 cm
Seat width better than on 57% 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 6% 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 Thu, Oct 1 from NRT at approximately 17:40. This flight is expected to arrrive in HKG at 20:37.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Sep 26 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 18:06 | 21:07 | Arrived |
| Sun, Sep 27 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 18:26 | 21:16 | Arrived |
| Mon, Sep 28 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 18:49 | 21:39 | Arrived |
| Tue, Sep 29 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 19:37 | 22:22 | Arrived |
| Wed, Sep 30 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 17:49 | 20:46 | Arrived |
| Thu, Oct 1 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 17:40 | 20:37 | Arrived |
| Fri, Oct 2 | Tokyo (NRT) | Hong Kong (HKG) | 773 | 17:15 | 20:12 | 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 17% (Late on average 50 minutes), and the on-time arrival rate is 87% (Early on average 7 minutes).
On-Time Departures
Punctuality
17
%
Late on average
50 minutes
Early
0
%
On time
17
%
30 mins late
57
%
60 mins late
13
%
90 mins late
13
%
Cancelled
1
%
On-Time Arrivals
Punctuality
87
%
Early on average
7 minutes
Early
70
%
On time
17
%
30 mins late
10
%
60 mins late
3
%
90 mins late
0
%
Cancelled
1
%
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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 2, 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 2, 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 20:12. Status is Scheduled as of Oct 2, 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 Friday. -
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 2, 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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Time on arrival: Tokyo 21:12
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