|Quoting Aussie_ (Reply 2):|
There's no real way of working out whether they are -700s or -800s - they are used interchangeably
73Gs and 73Hs are specifically assigned to certain flights, and you can identify this quite easily via the VirginBlue website. HOWEVER, I have just checked the website and it looks like they're experiencing some problem as ALL
flights EVERYWHERE are currently showing as 737-700s...! I will check back later.
Yes, sometimes due to scheduling and other requirements, you might find your aircraft substituted between 737-700 / 800, but generally speaking most flights remain as planned.