Holidaymakers may face disruption to their summer getaway plans because of possible flight cancellations. This is mainly because of the safety incidents at Boeing earlier this year which have made it much more difficult for several airlines to procure enough aircraft for the Summer season. Some may be faced with no other choice than to cancel some flights or offer a reduced service on some routes. Back in January this year, an Alaska Airlines Boeing 737-9 MAX aircraft saw a mid-cabin exit door panel blow out in mid-air, just a few minutes after take-off. This incident sparked a flurry of inves…