Important dates
| April 15 – May 31 | Registration |
| August 2 | Official arrival day. Suggested landing times: 8:00-16:00 |
| August 3 | Opening Ceremony of IOAA 2019 |
| August 4 | Data analysis competition |
| Night observation | |
| August 6 | Theory competition |
| August 7 | Daytime observation |
| Team Competition | |
| Farewell Party | |
| August 9 | Closing ceremony |
| August 10 | Departure. Suggested flying times: 13:00-23:00 |