F91230 · SFO → DEN

Frontier Airlines · San Francisco to Denver · last 12 months · 346 flights tracked

89.1%on-time

F91230 SFO→DEN: 89.1% on-time over 346 flights (last 12 months) — excellent. It beats the route average (74.7%) by 14.4 points. Best day to fly: Sun (92.3%); worst: Tue (82.6%). Seasonality matters: Jan is the most reliable month (96.0%), Feb the worst (81.8%). Cancellation rate is 1.7% — have a backup plan. Average arrival delay: 6.9 minutes.

Data: US BTS, last 12 months.

6.9 minavg arrival delay

1.7%cancelled

0diverted

346flights tracked

Arrival delay distribution

Early/on time · 2651–60 min · 6461–180 min · 9180+ min · 2

On-time by day of week

Mon

86.5%

Tue

82.6%

Wed

91.3%

Thu

92.2%

Fri

90.4%

Sat

87.8%

Sun

92.3%

On-time by month

84.6%

Sep

86.7%

Oct

93.3%

Nov

83.9%

Dec

96.0%

Jan

81.8%

Feb

89.3%

Mar

92.9%

Apr

93.5%

May

90.0%

Jun

87.1%

Jul

89.3%

Aug

← All flights on SFO–DEN