If you fly on these routes, you’ll arrive at your destination earlier than when you departed. It’s all due to the time difference—Russia spans 11 time zones!
Petropavlovsk-Kamchatsky - Moscow. The time difference between Moscow and the capital of the Kamchatka region is 9 hours, while the flight duration is 8 hours and 50 minutes. So, you arrive in Moscow “10 minutes earlier” than your departure time.
Anadyr - Moscow. The time difference between Chukotka and Moscow is also 9 hours, but the flight takes 8 hours and 10 minutes. The plane arrives “50 minutes earlier” than the departure time.
Magadan - Moscow. The time difference between these cities is 8 hours, and the flight takes 7 hours and 40 minutes. So passengers arrive “20 minutes earlier” than their departure.