DL1391 · PHL → DTW

Delta Air Lines · Philadelphia to Detroit · last 12 months · 239 flights tracked

67.5%on-time

DL1391 PHL→DTW: 67.5% on-time over 239 flights (last 12 months) — average. It trails the route average (79.1%) by 11.6 points. Best day to fly: Tue (75.8%); worst: Mon (55.9%). Seasonality matters: Jan is the most reliable month (88.5%), Jul the worst (43.3%). Cancellation rate is 2.1% — have a backup plan. Average arrival delay: 44.8 minutes.

Data: US BTS, last 12 months.

44.8 minavg arrival delay

2.1%cancelled

0diverted

239flights tracked

Arrival delay distribution

Early/on time · 1261–60 min · 6661–180 min · 19180+ min · 23

On-time by day of week

Mon

55.9%

Tue

75.8%

Wed

73.5%

Thu

64.7%

Fri

67.6%

Sat

67.6%

Sun

67.7%

On-time by month

88.5%

Jan

84.6%

Feb

83.9%

Mar

70.0%

Apr

64.5%

May

55.2%

Jun

43.3%

Jul

54.8%

Aug

← All flights on PHL–DTW