Frontier Airlines has an overall on-time arrival rate of 73%. The most common passenger complaint is refunds. Frontier Airlines ranks #14 out of 14 U.S. airlines for reliability.
Source: Bureau of Transportation Statistics. Updated August 2026.F9
Frontier Airlines
Lands on time
73%
When late
~80 min
Cancelled
2.2%
Flights tracked
386,821
Frontier Airlines is middle of the pack — not bad, but delays happen. About 73% of their flights land on time. When they don't, you're usually waiting around 80 minutes. The biggest reason? late_aircraft.
About 23.2 out of every 100k passengers file a formal complaint. The thing people complain about most: refunds.
Busiest Frontier Airlines routes
LAS → DENLas Vegas – Denver
77%on time
DEN → LASDenver – Las Vegas
76%on time
PHL → MCOPhiladelphia – Orlando
70%on time
MCO → PHLOrlando – Philadelphia
72%on time
DEN → PHXDenver – Phoenix
76%on time
PHX → DENPhoenix – Denver
79%on time
MCO → SJUOrlando – San Juan
75%on time
SJU → MCOSan Juan – Orlando
77%on time
MCO → ATLOrlando – Atlanta
68%on time
ATL → MCOAtlanta – Orlando
67%on time
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Data last updated August 2026. Source: Bureau of Transportation Statistics.