Asked about the banner, which flew as his team were warming up and he was in the tunnel, Mourinho said: "I didn't see planes".
"I am [delighted] and I think some of you must be disappointed - it would be much better if we lose, but I think the performance was very good and very good from the first ball we touched", he said.
"Then the fans, of course, were together with the team, especially in the way the team was playing and I feel a bit sorry that we didn't score a couple of goals in front of them because that would be magic for them".
Nicol says Mourinho's methods are having a negative affect on young players like Rashford and the 20-year-old should consider if staying at United is right for him.
It means the 21-year-old will miss three games after the worldwide break and comes at a time when he is struggling to break into United's line-up.
Manchester United manager Jose Mourinho has accepted a one-year prison sentence as part of a deal to settle a Spanish tax evasion case, El Mundo newspaper reported on Tuesday, although he is unlikely to actually serve any jail time.
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His wins had all been on hard courts, including the US Open third round in 2015 in straight sets. Thiem opened his tournament in NY by thrashing Sofia champion Mirza Basic 6-3 6-1 6-4.
Brazil's Lula banned from presidential race
He also accused political opponents of convicting him without evidence in an attempt to take him out of the election . Former Brazilian President Luiz Inacio Lula da Silva speaks during a rally in Curitiba, Brazil, March 28, 2018.
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The caning of two women in Malaysia for attempting to have sex has been condemned as "inhuman and degrading". A few weeks ago, authorities removed the portraits of two LGBT rights activists from a public exhibition.
"You can't tell me that Gareth wouldn't wouldn't want someone like Marcus Rashford playing regularly".
Lukaku opened the scoring in the 27th minute with a simple back-post header from an Alexis Sanchez cross, the big Belgian losing his marker Ben Mee to create space for what Burnley manager Sean Dyche will consider a soft goal.
United will return to action with a trip to Watford after the worldwide break. It was a very good week of work and we started the week as you saw.
"Today the fans were fantastic from the first minute, but Old Trafford is a moment to remember", he said.
"They've had a few question marks, but when good players are tested, from the outside looking in, usually they react, and they did".
Former Manchester City goalkeeper Hart, who saved a penalty from Paul Pogba during the loss to United, said: 'The break comes at a good time for us.