Stranded in Chicago and had to get a rental car, United never took responsibility United said I would be stranded in Chicago for 2 days, no hotel accommodations, sleep and hang out in the airport for 2 days. I had to be in KC for work, so I got a rental car and drove myself to KC. United declined to cover the rental car, and the whole experience was a disaster of customer service. Fly any other airline.

Baggage was delayed and they closed my… Baggage was delayed and they closed my case after I got the baggage. They dont answer because of interim expensives. Really bad airline. Dont book.

Always an issue I hade at least 5 hours of delays for a flight out of buffalo to newark. an aircraft never left and after switching my connection flight twice, was told it was being taken out of service. another plane was going to be sent from Chicago, to arrive after my last connection flight was scheduled. there way no way for me to get to any connection. I was set up with flight following day. we were an hour late getting off ground and we arrived in Washington fifteen min before my connection. I got off fast and shuttled to other side of airport and ran to gate. the flight was supposed to leave at 8:15a and I arrived to gate at 8:19 to find the plane left earlier than scheduled. now I'm stuck again for five hours before I can get home or continue to ny original destination. always have issues with United.

Staff have a bad and unhelpful attitude I had a flight booked from heathrow to cancun which went via Houston. The staff were unhelpful and rude they were more interested in feeding themselves.when we got to Houston for an internal transit it took two hours to get through passport control and almost missed the connecting flight.

Great airline and the website is top notch. United isn't perfect but then again, what airline isn't? I was a faithful flyer based on my travel in a few destinations. Flew ~2-4 one ways each week for a few years. Always booked directly through the website. When you hit status, its great! Unlike some other airlines, they'll never leave a first class seat empty. They'll fill it with those that not only have the most segments, but highest revenue profile (from what I saw). It asks a few more questions than others (Southwest) but once you get into the groove of using it, you barely notice the extra clicks. Not a huge deal. Their mobile apps were sketchy back in 2011-2013 but the recent updates are great! Never hit a problem with it since ~2015.