Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 4423 · St Louis (STL) → Chicago (ORD)
Sold by United, flown by GoJet. Still flying: 51 of the last 56 days (Mon, Wed, Thu, Fri, Sat, Sun).
Arrives on time86%within 15 minutes, of 327 flights
Cancelled0.6%of scheduled flights
An hour or more late6%of flights that operated
When late, on average74 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves STL
- 07:20
- Arrives ORD
- 09:00
- Flight time
- 1h 40m
- Days flown, last 8 weeks
- 51 of 56
Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.
How late it arrives
Share of flights that operated arriving more than this late.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at STL
All flights leaving St Louis (STL) at 7–8 am, wherever they’re going: 90% left within 15 minutes and 1.6% were cancelled (4,292 flights in the year). Other United flights on this route →
Upcoming forecasts
This flight isn’t in our published forecasts for the next few days.