Schedule: the flights that flew on Wednesday, Oct 7, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
DELTA · FLIGHT DL 1159
SCHEDULED · TYPICAL SCHEDULE
Wednesday, October 14
DL 1159 · LAS → BOS
departs 11:12 AM PT · arrives 7:17 PM ET
Forecast issued Sun 8:00 PM ET · 66h before departure
Watch this flight
Other days
Today 64%
Mon 10/12 41%
Tue 10/13 44%
Wed 10/14
Thu 10/15 33%
Fri 10/16 36%
Sat 10/17 25%
Odds over time
Arrive at BOS more than 15 minutes late?
16%
chance · ±2 pts
– · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
16%
Leave 15+ late
17%
Arrive 1h+ late
4%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
15%
30%
45%
60%
6.6d
Now
2d
1d
12h
6h
Departs
Lands
Arrive at BOS more than 15 minutes late?
Calm-weather odds: 15% · changed – in 24h
–
16%
Yes 16%
No 84%
Leave LAS more than 15 minutes late?
Calm-weather odds: 14% · changed – in 24h
–
17%
Yes 17%
No 83%
Arrive at BOS more than an hour late?
Calm-weather odds: 3% · changed – in 24h
–
4%
Yes 4%
No 96%
Cancelled?
Calm-weather odds: <1% · changed – in 24h
–
<1%
Yes <1%
No 99%
How late will it get to BOS?
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
3%
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
↑
This flight has been late 24% of the time recently
↑
LAS is prone to delays
↓
Mostly benign weather forecast at LAS
↓
Wednesdays in October are usually quieter than average
Weather at each end
LAS (origin)
Gusts 13 kt Ceiling none (clear) Visibility 10+ mi Precip none
BOS (destination)
Gusts 19 kt Ceiling 200 ft Visibility 0.8 mi Precip 0.04 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.