LAX → ORD Frontier Airlines

Frontier Airlines · Los Angeles, CA to Chicago, IL · 227 flights, 2025-07-03 to 2026-06-01 · aggregated across 2 flight numbers

This route runs much more reliably at some times of day than others — 79% on-time departing 3–6pm vs. 43% departing 9pm–12am.
On-time arrival
62%
Median delay
+1 min
90th percentile
+108 min
Cancellation rate
5%

How on-time is Frontier Airlines from LAX to ORD?

Across every Frontier Airlines flight number on LAX → ORD (227 flights, 2025-07-03 to 2026-06-01), 62% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +108 min or later. 5% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time13362%
16-30 min178%
31-60 min2311%
61-120 min2311%
2+ hrs199%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071963%+21 min
2025-082186%+32 min
2025-092167%-1 min
2025-102291%-10 min
2025-112171%+41 min
2025-122564%+69 min
2026-01560%+14 min
2026-03240%+199 min
2026-042875%+18 min
2026-052846%+62 min
2026-061100%-17 min

Performance by day of week

DayFlightsOn-time
Mon3853%
Tue1457%
Wed1560%
Thu3667%
Fri3967%
Sat3661%
Sun3765%

F9 flight numbers on LAX → ORD

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…