DL1787 · DTW → IAD

Delta Air Lines · Detroit to Washington Dulles · last 12 months · 104 flights tracked

83.3%on-time

DL1787 DTW→IAD: 83.3% on-time over 104 flights (last 12 months) — solid. It beats the route average (77.0%) by 6.3 points. Best day to fly: Tue (93.3%); worst: Thu (76.5%). Seasonality matters: May is the most reliable month (92.0%), Aug the worst (76.9%). Cancellation rate is 1.9% — have a backup plan. Average arrival delay: 16.4 minutes.

Data: US BTS, last 12 months.

16.4 minavg arrival delay

1.9%cancelled

0diverted

104flights tracked

Arrival delay distribution

Early/on time · 621–60 min · 3161–180 min · 6180+ min · 3

On-time by day of week

Mon

82.4%

Tue

93.3%

Wed

81.2%

Thu

76.5%

Fri

82.4%

Sat

100.0%

Sun

80.0%

On-time by month

92.0%

May

80.8%

Jun

84.0%

Jul

76.9%

Aug

← All flights on DTW–IAD