streak could be ending. meanwhile, the busy father s day and juneteenth holiday weekend was a nightmare for airline passengers. according to flight aware, more than 900 flights were canceled sunday across the u.s. since thursday there have been more than 4,000 flight cancellations, another 1,500 flights have already been canceled today. let s bring in cnn chief business correspondent and early start co-anchor christine romans. we were talking last week about a vibe shift and, man, does it feel like we are right there. it really does. the mighty american consumer, the backbone of the u.s. economy remains strong but how long that lasts in the face of decades high inflation, that s what experts are scouring the data for. now, gas prices have been a daily tax on families and sentiment. prices at the pump have stopped rising at least, the average price per gallon dipping below $5 to $4.98 but the busy summer travel season is about to start, that could push prices higher agai