Originally Posted by
nystateofmind
According to flightstats.com it was only 2 in 20 minutes. Looks like the aircraft that had been scheduled to operate 6254 diverted to EAU coming up from STL. They chose to then swap it with the aircraft operating the ORD flight about 7 minutes before the ORD flight was supposed to leave the gate. Sucks for the ORD passengers.
There's multiple MSP-ORD flights including on UA. Easy decision to give the ORD plane to IAH.