Many airline passengers saw only moderate flight delays stemming from the first full day of furloughs for nearly 15,000 flight controllers and other Federal Aviation Administration workers, as industry analysts' worst fears did not materialize. But the reduced staffing was blamed for some slowdowns, and observers say it also increased the length of unrelated delays.
We'll be keeping an eye on possible delays today, and updating this post with new information.
Update at 6:45 p.m. ET. Delays Build, Many Tied To Weather: