DL972 · ORD → BOS

Delta Air Lines · Chicago O'Hare to Boston · last 12 months · 101 flights tracked

49.0%on-time

DL972 ORD→BOS: 49.0% on-time over 101 flights (last 12 months) — below average. It trails the route average (66.6%) by 17.6 points. Best day to fly: Sat (53.3%); worst: Wed (42.9%). Seasonality matters: Dec is the most reliable month (66.7%), Sep the worst (31.8%). Average arrival delay: 63.3 minutes.

Data: US BTS, last 12 months.

63.3 minavg arrival delay

1.0%cancelled

0diverted

101flights tracked

Arrival delay distribution

Early/on time · 351–60 min · 3161–180 min · 24180+ min · 10

On-time by day of week

Mon

50.0%

Tue

50.0%

Wed

42.9%

Thu

50.0%

Fri

53.3%

Sat

53.3%

Sun

42.9%

On-time by month

31.8%

Sep

45.2%

Oct

55.2%

Nov

66.7%

Dec

← All flights on ORD–BOS