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 2171
SCHEDULED · TYPICAL SCHEDULE
Friday, October 2 Yesterday
DL 2171 · PDX → DTW
departs 11:55 AM PT · arrives 7:04 PM ET
Forecast issued Fri 10:00 PM ET · 7h after departure
Watch this flight
Other days
Fri 10/2
Today 14%
Sun 10/4 14%
Mon 10/5 13%
Fri 10/9 16%
Odds over time
Arrive at DTW more than 15 minutes late?
15%
chance · ±0 pts
+0 pts · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
Arrive 15+ late
15%
Leave 15+ late
22%
Arrive 1h+ late
4%
Cancelled
<1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
3.7d
2d
1d
12h
6h
Departs
Lands
Arrive at DTW more than 15 minutes late?
Calm-weather odds: 15% · changed +0 pts in 24h
+0 pts
15%
Yes 15%
No 85%
Leave PDX more than 15 minutes late?
Calm-weather odds: 22% · changed +2 pts in 24h
+2 pts
22%
Yes 22%
No 78%
Arrive at DTW more than an hour late?
Calm-weather odds: 4% · changed +0 pts in 24h
+0 pts
4%
Yes 4%
No 96%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 99%
How late will it get to DTW?
On time or early
84%
15–30 min late
4%
30 min–1 hour late
7%
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
↑
Arrivals into DTW at that hour are often late
↑
Other factors
↑
11am departures from PDX are often late
↓
Mostly benign weather forecast at PDX
↓
DTW usually runs smoothly
Weather at each end
PDX (origin)
Gusts 7 kt Ceiling none (clear) Visibility 7 mi Precip none
DTW (destination)
Gusts 28 kt Ceiling 800 ft Visibility 1.75 mi Precip 1.43 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.