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 3228
SCHEDULED · TYPICAL SCHEDULE
Sunday, October 4
F9 3228 · DEN → IAH
departs 5:35 PM MT · arrives 9:14 PM CT
Forecast issued Fri 6:00 PM ET · 50h before departure
Watch this flight
Other days
Today 44%
Sun 10/4
Mon 10/5 33%
Thu 10/8 21%
Odds over time
Arrive at IAH more than 15 minutes late?
41%
chance · ±3 pts
−3 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
41%
Leave 15+ late
37%
Arrive 1h+ late
16%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
20%
40%
60%
80%
5.9d
Now
1d
12h
6h
Departs
Lands
Arrive at IAH more than 15 minutes late?
Calm-weather odds: 30% · changed −3 pts in 24h
−3 pts
41%
Yes 41%
No 59%
Leave DEN more than 15 minutes late?
Calm-weather odds: 30% · changed −1 pt in 24h
−1 pt
37%
Yes 37%
No 63%
Arrive at IAH more than an hour late?
Calm-weather odds: 8% · changed −3 pts in 24h
−3 pts
16%
Yes 16%
No 84%
Cancelled?
Calm-weather odds: <1% · changed −1 pt in 24h
−1 pt
<1%
Yes <1%
No 99%
How late will it get to IAH?
On time or early
58%
15–30 min late
15%
30 min–1 hour late
10%
1–2 hours late
12%
Over 2 hours late
4%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
F9's recent on-time record
↑
5pm departures from DEN are often late
↑
Later flights pick up delays from earlier in the day
↓
Gusts to 26 kt forecast at DEN that day
Weather at each end
DEN (origin)
Gusts 26 kt Ceiling none (clear) Visibility 10+ mi Precip none
IAH (destination)
Gusts 19 kt Ceiling 900 ft Visibility 10+ mi Precip 0.10 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.