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.

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.

First Flight, Last Flight. Aside from the recent scandal United Airlines is literally the worst airline I've ever flown with. The only impressive this is how consistently bad they are at literally every area that constitutes a good flight experience. Incompetence like that takes dedication. Hats off to you United, I will never be flying with you again.

Worst airline to travel Worst airline to travel. They will try to suck money out of you in every possible way. They charged me extra $50 for 2 bags that were allowed free to carry on by all other 5 airlines in the itinerary. Also they insisted again and again that the “kind of ticket class” I booked, they are doing me a favor for everything. I am not sure how they treat economy passengers but It felt insulting at one point. It was unfortunate that I booked tickets through united airlines. But I will not repeat this mistake again in future, it’s a lesson learned for me.

Awful Booking Process and Customer Service I haven't even flown with United yet, but so far they've made me re-book my flights 3 times, and there's still another 3 months before I fly. I booked a return flight to the US from the UK in January, I went on-line in March to check some details to find that my flights had been changed and my seat upgrades had been cancelled with no refund. So I re-upgraded and chose new seats, a month later I checked again, the flights had changed again, still no warning or refund, so yet another, re-select the seats and pay the upgrade fee again, 1 month later, same thing. Each time I re-upgrade my seats my bank charges me £1.50 for each transaction (United put each seat on each flight through individually from the US whereas the original booking was taken from the UK). In terms on transaction costs alone I'm down around £18, if you add to that the fact that not a single cancelled seat hasn't been refunded then it's around £250. I feel a small claims court action coming on.