Taxpayers can use Form 4868 to apply for 6-month extension.
Airline will base miles toward free flights on amount passengers spend on tickets.
Frigid air snaps decades-old records in Midwest.
Much of the country grappling with historic lows.
Decision to allow calls will eventually be decided by individual airlines.
Anti-government material found in detainee’s bag.
System restored by 10:30 a.m. but delays could persist throughout day.
Airlines must still resolve a lawsuit filed by the federal government seeking to block the merger.
The airline's frugal mind-set makes passengers pay multiple fees.
Low costs, high fees have led to 10 straight years of profitability.