Originally Posted by
mherdeg
This will sound pithy, but the best route for availability is the one that has seats open right now.
Check them all. I'll just link to the list that
sbm12 published last year,
http://blog.wandr.me/long-haul-route...lantic-routes/ ; dunno if it's still up to date but it's certainly close.
+1000
You won't know until you start searching.
Originally Posted by
Indelaware
Don't forget to look at AC's routes on smaller markets - e.g. YUL-BRU and most routes ex-YOW - these often sell out of saver seats later than other routes.
Neither is viable from SFO. YVR is the only Canadian city that connects easily to SFO. YYZ can be done but usually involves long layovers.