5Y8523
5Y8523 (Atlas Air) is a multi-stop service on 2 routes, busiest Hanoi to Hong Kong. We recorded 68 departures from June 2026 to September 2026, according to Airport Authority Hong Kong. The source has no actual departure times, so there is no on-time rate.
Recorded departures by month
Short series — 5Y8523 has only 4 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
The most recent periods4 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | 8 | – |
| July | – | 22 | – |
| August | – | 26 | – |
| September | – | 12 | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to Airport Authority Hong Kong · June 2026 → September 2026
Cancelled departures by month
Short series — 5Y8523 has only 4 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods4 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | 2 | – |
| July | – | 4 | – |
| August | – | 8 | – |
| September | – | 12 | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to Airport Authority Hong Kong · June 2026 → September 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 61.8% 42
- Cancelled 38.2% 26
Share of all recorded flights in the period, all legs. · Jun 21, 2026 → Sep 21, 2026
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HAN HKG Noi Bai International Airport – Hong Kong International Airport | 846 | min | — | 34 |
| HKG ANC Hong Kong International Airport – Ted Stevens Anchorage International Airport | 8,164 | min | — | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2026 | 8 | 0 | — | 2 |
| July 2026 | 22 | 0 | — | 4 |
| August 2026 | 26 | 0 | — | 8 |
| September 2026 | 12 | 0 | — | 12 |