UA4412United Airlines · ORD → STL
live · 13m ago
Route confirmed United Airlines

UA4412 ChicagoORD · 17:45 St LouisSTL · 19:23

UA4412 by United Airlines flies from Chicago (ORD) to St Louis (STL) for the Tue, Nov 3 departure.

Right nowScheduled · gate F21
17:45

departs ORD · on schedule

Typical gate push+2 minmedian posted departure
Typical arrival−10 minmedian over 4 operations
Wins back in air~12 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
11-03
−10 arrival
11-02
−2 gate · −10 arrival
11-01
+38 gate · +10 arrival
10-31
+2 gate · −32 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
STLSt LouisOn-time likelySTL delay board →
ORD→STLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
47%Chance of 15+ min delay
1.7%Chance of cancellation
+17 minTypical airport delay in this weather

Driven mainly by ORD (Chicago), currently flying MVFR (marginal visual). These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at Chicago

Forecast

Wed 4 Nov, local date

High19°Clikely 17°C to 21°C
Low13°Clikely 10°C to 16°C
  • 96% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at St Louis

Forecast

Wed 4 Nov, local date

High17°Clikely 15°C to 19°C
Low13°Clikely 10°C to 16°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Chicago to St Louis flights today

same route · United Airlines
UA3908departs 05:00
UA4613departs 07:27
UA3556departs 08:55
UA5300departs 10:40
UA2844departs 10:45
UA4438departs 10:45

If UA4412 is cancelled, these are the other United Airlines nonstop flights from Chicago to St Louis on the same day, with scheduled departure times in ORD local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How UA4412 actually runs

Pro Flight Search has tracked every published board update for UA4412 across the ORD and STL boards: schedule changes, gate pushes and actual clocks. Usually lands ~55 min late. Based on 4 confirmed landings · 1/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA4412 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-03ORD 17:45STL 19:23 19:13 (−10)
11-02ORD 17:45 17:43 (−2)STL 19:23 19:13 (−10)
11-01ORD 17:45 18:23 (+38)STL 19:23 19:33 (+10)
10-31ORD 17:45 17:47 (+2)STL 19:23 18:51 (−32)

Aircraft

Recent tails: N540GJ, N523GJ, N559GJ.

Board clocks recorded as ORD and STL published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: UA4412 Chicago to St Louis on-time performance, measured from the ORD and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4412
How we measure this →