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.
FRONTIER · FLIGHT F9 3135
SCHEDULED · TYPICAL SCHEDULE
Friday, October 2 Today
F9 3135 · ORD → IAH
departs 5:46 PM CT · arrives 9:03 PM CT
Forecast issued Fri 2:00 PM ET · 5h before departure
Watch this flight
Other days
Today
Sat 10/3 33%
Sun 10/4 35%
Mon 10/5 28%
Tue 10/6 20%
Wed 10/7 26%
Thu 10/8 26%
Odds over time
Arrive at IAH more than 15 minutes late?
40%
chance · ±0 pts
+3 pts · 24h
HOW SURE WE ARE
High. The odds now come mostly from live FAA and airport data.
Arrive 15+ late
40%
Leave 15+ late
29%
Arrive 1h+ late
14%
Cancelled
9%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
20%
40%
60%
80%
3.9d
2d
1d
12h
Now
Departs
Lands
Arrive at IAH more than 15 minutes late?
Calm-weather odds: 33% · changed +3 pts in 24h
+3 pts
40%
Yes 40%
No 60%
Leave ORD more than 15 minutes late?
Calm-weather odds: 31% · changed −4 pts in 24h
−4 pts
29%
Yes 29%
No 71%
Arrive at IAH more than an hour late?
Calm-weather odds: 15% · changed −2 pts in 24h
−2 pts
14%
Yes 14%
No 86%
Cancelled?
Calm-weather odds: 2% · changed +6 pts in 24h
+6 pts
9%
Yes 9%
No 91%
How late will it get to IAH?
On time or early
54%
15–30 min late
12%
30 min–1 hour late
12%
1–2 hours late
7%
Over 2 hours late
5%
Cancelled
9%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
Visibility down to 1.5 mi, 1.3 in of rain forecast at IAH that day
↑
F9's recent on-time record
↑
5pm departures from ORD are often late
↓
Other factors
↓
Mostly benign weather forecast at ORD
Weather at each end
ORD (origin)
Gusts 16 kt Ceiling 2,800 ft Visibility 9 mi Precip 0.10 in
IAH (destination)
Gusts 22 kt Ceiling 2,400 ft Visibility 1.5 mi Precip 1.28 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.