Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
DELTA · FLIGHT DL 3150
SCHEDULED · TYPICAL SCHEDULE
Sunday, October 4 Today
DL 3150 · CHA → ATL
departs 8:23 PM ET · arrives 9:30 PM ET
Forecast issued Sat 11:00 PM ET · 21h before departure
Watch this flight
Other days
Today
Mon 10/5 20%
Fri 10/9 19%
Odds over time
Arrive at ATL more than 15 minutes late?
58%
chance · ±5 pts
+6 pts · 24h
HOW SURE WE ARE
Good. The odds now lean mostly on firmed-up weather forecasts.
Arrive 15+ late
58%
Leave 15+ late
56%
Arrive 1h+ late
16%
Cancelled
3%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
20%
40%
60%
80%
5.9d
2d
Now
12h
6h
Departs
Lands
Arrive at ATL more than 15 minutes late?
Calm-weather odds: 22% · changed +6 pts in 24h
+6 pts
58%
Yes 58%
No 42%
Leave CHA more than 15 minutes late?
Calm-weather odds: 26% · changed +8 pts in 24h
+8 pts
56%
Yes 56%
No 44%
Arrive at ATL more than an hour late?
Calm-weather odds: 3% · changed +1 pt in 24h
+1 pt
16%
Yes 16%
No 84%
Cancelled?
Calm-weather odds: <1% · changed +1 pt in 24h
+1 pt
3%
Yes 3%
No 97%
How late will it get to ATL?
On time or early
41%
15–30 min late
24%
30 min–1 hour late
16%
1–2 hours late
11%
Over 2 hours late
5%
Cancelled
3%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
Arrivals into ATL at that hour are often late
↑
Cloud base down to 400 ft, 0.8 in of rain forecast at ATL that day
↑
Cloud base down to 500 ft, 0.3 in of rain forecast at CHA that day
↓
ATL usually runs smoothly
↓
This flight has been late 30% of the time recently
Weather at each end
CHA (origin)
Gusts 6 kt Ceiling 500 ft Visibility 4 mi Precip 0.30 in
ATL (destination)
Gusts 8 kt Ceiling 400 ft Visibility 3 mi Precip 0.78 in
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.