Hmm, even with the various Flightmemories and openflights some are not easy, but here we go
:
September 1978 - flight 1 SU VOZ-BKA
May 1999 - flight 50 DEN-ORD
11 Sep 2006 - flight 100 BA LGW-AMS
21 Sep 2008 - flight 150 KL YYZ-AMS
1 Aug 2010 - flight 200 DL DAL-SLC
13 Jun 2011 - flight 250 KL AMS-DXB
23 Jun 2012 - flight 300 UN DME-YYZ
Currently at 313...
Thought to try and figure out various tropic crossings, but gave up - too many of 'em
Here's my
flightmemory and
openflights for anyone who cares.