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 1555
SCHEDULED · TYPICAL SCHEDULE
Thursday, October 1 Tomorrow
DL 1555 · MSP → GRR
departs 4:02 PM CT · arrives 6:26 PM ET
Forecast issued Wed 12:00 PM ET · 29h before departure
Watch this flight
Other days
Today 24%
Thu 10/1
Fri 10/2 15%
Sun 10/4 14%
Mon 10/5 19%
Tue 10/6 14%
Odds over time
Arrive at GRR more than 15 minutes late?
19%
chance · ±1 pts
+4 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
19%
Leave 15+ late
18%
Arrive 1h+ late
5%
Cancelled
<1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
2.9d
2d
Now
1d
12h
6h
Departs
Lands
Arrive at GRR more than 15 minutes late?
Calm-weather odds: 16% · changed +4 pts in 24h
+4 pts
19%
Yes 19%
No 81%
Leave MSP more than 15 minutes late?
Calm-weather odds: 20% · changed −1 pt in 24h
−1 pt
18%
Yes 18%
No 82%
Arrive at GRR more than an hour late?
Calm-weather odds: 5% · changed +0 pts in 24h
+0 pts
5%
Yes 5%
No 95%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 99%
How late will it get to GRR?
On time or early
80%
15–30 min late
2%
30 min–1 hour late
12%
1–2 hours late
4%
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
↑
Cloud base down to 500 ft, visibility down to 2 mi, 0.9 in of rain forecast at GRR that day
↑
Later flights pick up delays from earlier in the day
↑
4pm departures from MSP are often late
↓
GRR usually runs smoothly
↓
MSP usually runs smoothly
Weather at each end
MSP (origin)
Gusts 18 kt Ceiling none (clear) Visibility 2 mi Precip none
GRR (destination)
Gusts 19 kt Ceiling 500 ft Visibility 2 mi Precip 0.86 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.