In contrast, MSN Mobile 2.0 offers real-time, on-demand information such as flight schedules, weather conditions, and sports scores.

CNN: Gates aims for wireless blue yonder

Callum had originally planned to make his first solo flight on his birthday, but weather conditions delayed take-off.

BBC: Boy, 14, 'youngest person' in UK to fly glider solo

Airbus Military says it will be capable of operating in any type of climate and weather conditions, providing an in-flight refuelling capability.

BBC: A400M: Military workhorse

The college said Tuesday that Firestone's flight from Denver to Iowa has been delayed due to weather conditions in Colorado.

FORBES: Cedar Rapids, IA

Flight instruments now warn pilots about potentially hazardous terrain and weather conditions.

NPR: For Air Travelers, More Safety and More Problems

They cannot perform the kinds of maneuvers typical of manned tactical aircraft, and their flight routes are usually planned carefully with an eye to local weather conditions.

FORBES: The Revolution In Unmanned Aircraft Is Overrated

He points out that the airlines do after all have to consider the possibility of airport congestion, poor weather conditions, the slot times given to them by the airports, and whether the flight will feed into other flights.

BBC: Ryanair: Is it really Europe's most punctual airline?