2.4%
Airline flights are often delayed. They get detailed most often because of bad weather conditions but also because of mechanical and maintenance reasons.
This is a hard question to answer because it is always different. Some airline can go a long time without canceling a flight. I know not long ago (a couple months) Delta Airlines went over 70 days without a canceled flight. Then there are other times when many flights are canceled due to weather and other reasons. So I estimate it to be around 100 on a normal day but that could be wrong.
This is down to weather conditions, therefore the airline doesn't make any difference at all.
The amount of flights depend on the weather conditions. Thousands of flights are canceled every year due to the weather. Snow delays most flights, while severe thunder storms delay a few others.
In most cases an airline either refunds your ticket or allows you to take a later flight if your flight is canceled due to inclement weather. If you are not in your home city, the airline might allow for hotel accommodations if you are stuck over night.
Bad weather is neither fun nor safe to fly in.
SW Airlines does offer an iPhone and iPod application. It lets people know when the flights are occurring, or if they are delayed or canceled in case of weather conditions.
Reagan
When flying in and out of Chicago, many wonder what weather circumstances will ground their flights. Only extreme weather such as blizzard, or conditions where it is unsafe to fly, will cause such a delay.
no
School could be canceled!! Blab blab
weather phenomena.