UA660 · PHL → ORD

United Airlines · Philadelphia to Chicago O'Hare · last 12 months · 160 flights tracked

86.8%on-time

UA660 PHL→ORD: 86.8% on-time over 160 flights (last 12 months) — excellent. It beats the route average (73.1%) by 13.7 points. Best day to fly: Wed (100.0%); worst: Fri (72.7%). Seasonality matters: Jun is the most reliable month (96.6%), Feb the worst (66.7%). Cancellation rate is 5.6% — have a backup plan. Average arrival delay: 6.9 minutes.

Data: US BTS, last 12 months.

6.9 minavg arrival delay

5.6%cancelled

0diverted

160flights tracked

Arrival delay distribution

Early/on time · 1091–60 min · 3861–180 min · 3180+ min · 1

On-time by day of week

Mon

81.8%

Tue

84.2%

Wed

100.0%

Thu

100.0%

Fri

72.7%

Sat

82.6%

Sun

87.5%

On-time by month

79.2%

Jan

66.7%

Feb

100.0%

Mar

89.5%

Apr

90.3%

May

96.6%

Jun

85.2%

Jul

80.0%

Aug

← All flights on PHL–ORD