Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
FRONTIER · FLIGHT F9 2871
SCHEDULED · TYPICAL SCHEDULE
Sunday, October 4 Tomorrow
F9 2871 · SJU → ATL
departs 5:15 PM AT · arrives 9:24 PM ET
Forecast issued Sat 1:00 AM ET · 40h before departure
Watch this flight
Other days
Today 40%
Sun 10/4
Mon 10/5 38%
Tue 10/6 26%
Wed 10/7 16%
Thu 10/8 35%
Fri 10/9 42%
Odds over time
Arrive at ATL more than 15 minutes late?
50%
chance · ±2 pts
+0 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
50%
Leave 15+ late
43%
Arrive 1h+ late
14%
Cancelled
2%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
20%
40%
60%
80%
5.8d
2d
Now
1d
12h
6h
Departs
Lands
Arrive at ATL more than 15 minutes late?
Calm-weather odds: 42% · changed +0 pts in 24h
+0 pts
50%
Yes 50%
No 50%
Leave SJU more than 15 minutes late?
Calm-weather odds: 38% · changed +1 pt in 24h
+1 pt
43%
Yes 43%
No 57%
Arrive at ATL more than an hour late?
Calm-weather odds: 11% · changed +1 pt in 24h
+1 pt
14%
Yes 14%
No 86%
Cancelled?
Calm-weather odds: 1% · changed +0 pts in 24h
+0 pts
2%
Yes 2%
No 98%
How late will it get to ATL?
On time or early
49%
15–30 min late
15%
30 min–1 hour late
20%
1–2 hours late
7%
Over 2 hours late
6%
Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
This flight has been late 44% of the time recently
↑
F9's recent on-time record
↑
Cloud base down to 300 ft, visibility down to 1 mi, 1.4 in of rain forecast at ATL that day
↓
Other factors
↓
SJU usually runs smoothly
Weather at each end
SJU (origin)
Gusts 13 kt Ceiling 1,600 ft Visibility 10+ mi Precip 0.11 in
ATL (destination)
Gusts 9 kt Ceiling 200 ft Visibility 1 mi Precip 1.38 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.