Join Date: Jul 2002
Location: Still going through ORD security when boarding has already started
Programs: AA EXP, UA Silver, HH Gold, Bonvoy Gold, IHG Plat, Hyatt Disco, Reno Air MEGA Platinum
Posts: 10,319
My United 757-300 flight (domestic) started boarding 50 minutes before departure this week.
I never board early, so I don't really care either way. YMMV.