United Airlines | Washington D.C. to St. Louis
Operated by United Airlines with 83% on-time rate. Check schedules, fares & cabin info to book your perfect journey!
Washington D.C. (IAD) to St. Louis (STL)
On-time performance data for flight UA4427
Based on UA4427 flight history for Last 30 Days. On-time rate: Punctuality 63%, average delay: Late on average 52 minutes.
Upcoming schedule for flight UA4427
Available cabin classes for flight UA4427
UA4427
Discover popular routes and great deals tailored for you.