Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
DELTA · FLIGHT DL 3138
SCHEDULED · TYPICAL SCHEDULE
Thursday, October 1 Tomorrow
DL 3138 · IND → ATL
departs 4:33 PM ET · arrives 6:15 PM ET
Forecast issued Wed 12:00 PM ET · 29h before departure
Watch this flight
Other days
Today 14%
Thu 10/1
Fri 10/2 15%
Sat 10/3 15%
Sun 10/4 13%
Mon 10/5 10%
Tue 10/6 10%
Odds over time
Arrive at ATL more than 15 minutes late?
14%
chance · ±1 pts
+2 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
14%
Leave 15+ late
15%
Arrive 1h+ late
3%
Cancelled
<1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
5%
10%
15%
20%
2.9d
2d
Now
1d
12h
6h
Departs
Lands
Arrive at ATL more than 15 minutes late?
Calm-weather odds: 8% · changed +2 pts in 24h
+2 pts
14%
Yes 14%
No 86%
Leave IND more than 15 minutes late?
Calm-weather odds: 14% · changed +1 pt in 24h
+1 pt
15%
Yes 15%
No 85%
Arrive at ATL more than an hour late?
Calm-weather odds: 2% · changed +1 pt in 24h
+1 pt
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
85%
15–30 min late
7%
30 min–1 hour late
4%
1–2 hours late
2%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
Later flights pick up delays from earlier in the day
↑
Arrivals into ATL at that hour are often late
↑
Mostly benign weather forecast at IND
↓
ATL usually runs smoothly
↓
Mostly benign weather forecast at ATL
Weather at each end
IND (origin)
Gusts 21 kt Ceiling 7,000 ft Visibility 10+ mi Precip none
ATL (destination)
Gusts 13 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.