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

F9 3345 · San Juan (SJU) → Chicago (ORD)

Sold by Frontier. Still flying: 30 of the last 56 days (Daily).

Arrives on time61%within 15 minutes, of 42 flights
Cancelled4.8%of scheduled flights
An hour or more late16%of flights that operated
When late, on average100 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Chicago is 1 h behind San Juan).

Leaves SJU
19:14
Arrives ORD
23:27
Flight time
5h 13m
Days flown, last 8 weeks
30 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 late39%
30+ min late32%
1h+ late16%
2h+ late11%
20%40%60% 015301h1h302h3h

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

Its hour at SJU

All flights leaving San Juan (SJU) at 7–8 pm, wherever they’re going: 63% left within 15 minutes and 2.6% were cancelled (1,531 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.