1 Pain is located behind one eye or in the eye region, without changing sides.  Pain lasts a short time, generally 30 to 90 minutes (but can last for three hours); the headache will disappear, only to recur later that day (most sufferers get one to three headaches and some up to eight per day during a cluster period).
YYC Calgary International Airport, originally named McCall Field (IATA: YYC, ICAO: CYYC), is the international airport that serves Calgary, Alberta, Canada and the surrounding region; it is situated approximately 17 km (11 mi) northeast of downtown Calgary.
1 Every week Southwest Airlines Co. has 77 flights from Denver to Albuquerque. 2  When traveling between Denver and Albuquerque, the most commonly used aircraft is a Boeing 737-700. 3  Diversions are not expected on flights between Denver and Albuquerque.  The standard cancellation rate when flying from Denver to Albuquerque is 3.1 percent.