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 1403
SCHEDULED · TYPICAL SCHEDULE
Sunday, October 4
F9 1403 · ATL → IAH
departs 6:07 AM ET · arrives 7:20 AM CT
Forecast issued Fri 11:00 AM ET · 43h before departure
Watch this flight
Other days
Today 31%
Sat 10/3 24%
Sun 10/4
Mon 10/5 22%
Tue 10/6 13%
Wed 10/7 14%
Thu 10/8 14%
Odds over time
Arrive at IAH more than 15 minutes late?
28%
chance · ±5 pts
−3 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
28%
Leave 15+ late
21%
Arrive 1h+ late
10%
Cancelled
2%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
15%
30%
45%
60%
5.3d
Now
1d
12h
6h
Departs
Lands
Arrive at IAH more than 15 minutes late?
Calm-weather odds: 16% · changed −3 pts in 24h
−3 pts
28%
Yes 28%
No 72%
Leave ATL more than 15 minutes late?
Calm-weather odds: 18% · changed +1 pt in 24h
+1 pt
21%
Yes 21%
No 79%
Arrive at IAH more than an hour late?
Calm-weather odds: 6% · changed −1 pt in 24h
−1 pt
10%
Yes 10%
No 90%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
2%
Yes 2%
No 98%
How late will it get to IAH?
On time or early
71%
15–30 min late
11%
30 min–1 hour late
7%
1–2 hours late
3%
Over 2 hours late
7%
Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
F9's recent on-time record
↑
Cloud base down to 300 ft, visibility down to 1 mi, 2.1 in of rain forecast at ATL that day
↑
Cloud base down to 500 ft forecast at IAH that day
↓
Early flights usually leave on time
↓
6am departures from ATL are usually not late
Weather at each end
ATL (origin)
Gusts 11 kt Ceiling 300 ft Visibility 1 mi Precip 2.09 in
IAH (destination)
Gusts 19 kt Ceiling 500 ft Visibility 9 mi Precip 0.17 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.