Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
DELTA · FLIGHT DL 1178
SCHEDULED · TYPICAL SCHEDULE
Friday, October 2 Today
DL 1178 · ORD → ATL
departs 9:45 AM CT · arrives 12:51 PM ET
Forecast issued Fri 2:00 PM ET · 3h after departure
Watch this flight
Other days
Today
Sat 10/3 7%
Sun 10/4 13%
Mon 10/5 9%
Wed 10/7 12%
Thu 10/8 9%
Odds over time
Arrive at ATL more than 15 minutes late?
9%
chance · ±1 pts
−3 pts · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
Arrive 15+ late
9%
Leave 15+ late
13%
Arrive 1h+ late
3%
Cancelled
<1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
15%
30%
45%
60%
3.5d
2d
1d
12h
6h
Departs
Lands
Now
Arrive at ATL more than 15 minutes late?
Calm-weather odds: 9% · changed −3 pts in 24h
−3 pts
9%
Yes 9%
No 91%
Leave ORD more than 15 minutes late?
Calm-weather odds: 13% · changed −5 pts in 24h
−5 pts
13%
Yes 13%
No 87%
Arrive at ATL more than an hour late?
Calm-weather odds: 3% · changed +0 pts in 24h
+0 pts
3%
Yes 3%
No 97%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 99%
How late will it get to ATL?
On time or early
90%
15–30 min late
<1%
30 min–1 hour late
5%
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
↑
9am departures from ORD are often late
↓
ATL usually runs smoothly
↓
Early flights usually leave on time
Weather at each end
ORD (origin)
Gusts 16 kt Ceiling 2,800 ft Visibility 9 mi Precip 0.10 in
ATL (destination)
Gusts 8 kt Ceiling 600 ft Visibility 5 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.