DL1139 · ATL → ORD

Delta Air Lines · Atlanta to Chicago O'Hare · last 12 months · 194 flights tracked

56.5%on-time
DL1139 ATL→ORD: 56.5% on-time over 194 flights (last 12 months) — below average. It trails the route average (69.0%) by 12.5 points. Best day to fly: Sat (72.2%); worst: Sun (48.5%). Seasonality matters: Sep is the most reliable month (83.3%), Mar the worst (20.0%). Average arrival delay: 35.3 minutes.
Data: US BTS, last 12 months.
35.3 minavg arrival delay
1.0%cancelled
1diverted
194flights tracked

Arrival delay distribution

Early/on time · 611–60 min · 10561–180 min · 19180+ min · 6

On-time by day of week

Mon
48.5%
Tue
61.1%
Wed
61.5%
Thu
53.1%
Fri
61.3%
Sat
72.2%
Sun
48.5%

On-time by month

83.3%
Sep
66.7%
Oct
63.6%
Nov
61.3%
Dec
54.5%
Jan
83.3%
Feb
20.0%
Mar
40.9%
Apr
34.6%
May
83.3%
Jun

← All flights on ATL–ORD