Schedule: the flights that flew on Tuesday, Oct 20, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
PORTER · FLIGHT PD 617
SCHEDULED · TYPICAL SCHEDULE
Tuesday, October 27 Today
PD 617 · YYZ → BOS
departs 4:44 PM EDT · arrives 6:57 PM ET
Forecast issued Tue 7:00 PM ET · 2h after departure
Watch this flight
Other days
Today
Wed 10/28 15%
Thu 10/29 23%
Fri 10/30 55%
Odds over time
Arrive at BOS more than 15 minutes late?
21%
chance · ±1 pts
+7 pts · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
Arrive 15+ late
21%
Leave 15+ late
25%
Arrive 1h+ late
5%
Cancelled
1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
6.7d
2d
1d
12h
6h
Departs
Lands
Arrive at BOS more than 15 minutes late?
Calm-weather odds: 22% · changed +7 pts in 24h
+7 pts
21%
Yes 21%
No 79%
Leave YYZ more than 15 minutes late?
Calm-weather odds: 25% · changed +8 pts in 24h
+8 pts
25%
Yes 25%
No 75%
Arrive at BOS more than an hour late?
Calm-weather odds: 6% · changed +2 pts in 24h
+2 pts
5%
Yes 5%
No 95%
Cancelled?
Calm-weather odds: 1% · changed +1 pt in 24h
+1 pt
1%
Yes 1%
No 99%
How late will it get to BOS?
On time or early
78%
15–30 min late
12%
30 min–1 hour late
3%
1–2 hours late
4%
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 BOS at that hour are often late
↑
Later flights pick up delays from earlier in the day
↑
This route's recent record
↓
Gusts to 25 kt forecast at BOS that day
↓
Tuesdays in October are usually quieter than average
Weather at each end
YYZ (origin)
Gusts 8 kt Ceiling none (clear) Visibility 10+ mi Precip none
BOS (destination)
Gusts 25 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.