in the air, that more things didn't fly out, that no one flew out. i think that's incredible that we're all safe >> and dana joins us now from l.a.x. dana, what kind of impact is this having on flights today >> reporter: yeah, peter, according to data from flight aware, alaska's had to cancel more than 140 flights. now, we can't know for sure if that's because of those grounded planes, but it is far more than any other u.s. airline, even united, which had to ground part of its fleet so far experiencing 70 cancellations. peter? >> dana griffin, thank you so much. the astonishing midair scare is raising urgent questions across the entire aviation industry and while a full investigation could take months, we are getting a few early details about what might have caused that alaska airlines emergency here's jesse kirsch. >> reporter: hours into the investigation of that gaping hole aboard the alaska airlines flight, tonight, one expert says early signs point to a possible manufacturing issue.