Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

F9 3647 · Chicago (ORD) → Las Vegas (LAS)

Sold by Frontier. Not in the Jun 6 – Jul 31, 2026 schedule; last flew 2026-04-13.

Arrives on time46%within 15 minutes, of 25 flights
Cancelled4.0%of scheduled flights
An hour or more late25%of flights that operated
When late, on average66 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Las Vegas is 2 h behind Chicago).

Leaves ORD
20:55
Arrives LAS
23:15
Flight time
4h 20m
Days flown, last 8 weeks
0 of 56

Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.

How late it arrives

Share of flights that operated arriving more than this late.

15+ min late54%
30+ min late42%
1h+ late25%
2h+ late8%
20%40%60% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at ORD

All flights leaving Chicago (ORD) at 8–9 pm, wherever they’re going: 63% left within 15 minutes and 4.5% were cancelled (22,199 flights in the year). Other Frontier flights on this route →

Upcoming forecasts

Our odds that this flight is late or cancelled on the days we publish.