HA521
HA521 (Hawaiian Airlines) flies Hilo to Honolulu. Of 95 departures recorded from March 2025 to June 2025, 94.7% left on time, according to the US BTS.
Recorded departures by month
Short series — HA521 has only 4 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods4 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | 23 | – |
| April | – | 30 | – |
| May | – | 31 | – |
| June | – | 11 | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | – |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → June 2025
On-time departures by month
Short series — HA521 has only 4 months so far. Enough to show the level now, not enough to read a trend.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods4 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | 87.0% | – |
| April | – | 93.3% | – |
| May | – | 100.0% | – |
| June | – | 100.0% | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | – |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → June 2025
Average departure delay by month
Short series — HA521 has only 4 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · March 2025 → June 2025
Cancelled departures by month
Short series — HA521 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 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | – |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → June 2025
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 100.0% 95
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Mar 9, 2025 → Jun 11, 2025
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ITO HNL Hilo International Airport – Daniel K. Inouye International Airport | 349 | -4.0 min | 94.7% | 95 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 23 | 23 | 87.0% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 100.0% | 0 |
| June 2025 | 11 | 11 | 100.0% | 0 |