Schedule: the flights that flew on Tuesday, Sep 29, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
REPUBLIC · FLIGHT YX 4645
SCHEDULED · TYPICAL SCHEDULE
Tuesday, October 6
YX 4645 · ORD → STL
departs 3:27 PM CT · arrives 5:02 PM CT
Forecast issued Sun 5:00 AM ET · 60h before departure
Watch this flight
Other days
Today 12%
Tue 10/6
Wed 10/7 20%
Thu 10/8 18%
Sat 10/10 17%
Odds over time
Arrive at STL more than 15 minutes late?
9%
chance · ±1 pts
– · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
9%
Leave 15+ late
9%
Arrive 1h+ late
3%
Cancelled
<1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
4.2d
Now
2d
1d
12h
6h
Departs
Lands
Arrive at STL more than 15 minutes late?
Calm-weather odds: 9% · changed – in 24h
–
9%
Yes 9%
No 91%
Leave ORD more than 15 minutes late?
Calm-weather odds: 8% · changed – in 24h
–
9%
Yes 9%
No 91%
Arrive at STL more than an hour late?
Calm-weather odds: 2% · changed – in 24h
–
3%
Yes 3%
No 97%
Cancelled?
Calm-weather odds: <1% · changed – in 24h
–
<1%
Yes <1%
No 99%
How late will it get to STL?
On time or early
90%
15–30 min late
5%
30 min–1 hour late
2%
1–2 hours late
2%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
3pm departures from ORD are often late
↑
This flight has been late 24% of the time recently
↑
Arrivals into STL at that hour are often late
↓
Tuesdays in October are usually quieter than average
↓
Mostly benign weather forecast at ORD
Weather at each end
ORD (origin)
Gusts 21 kt
Ceiling none (clear)
Visibility 10+ mi
Precip none
STL (destination)
Gusts 8 kt
Ceiling none (clear)
Visibility 10+ mi
Precip none
How this resolves
Yes if the gate arrival is more than 15 minutes after the scheduled arrival. Cancelled or diverted flights resolve N/A.
Every question here is display only — there is no betting or money involved. Gate times come from the airline; a cancellation resolves only the “Cancelled?” question, and a diversion voids the delay questions.