DL1247 · ORD → ATL

Delta Air Lines · Chicago O'Hare to Atlanta · last 12 months · 365 flights tracked

87.8%on-time

DL1247 ORD→ATL: 87.8% on-time over 365 flights (last 12 months) — excellent. It beats the route average (74.1%) by 13.7 points. Best day to fly: Tue (96.2%); worst: Sat (82.4%). Seasonality matters: Sep is the most reliable month (96.7%), Mar the worst (73.3%). Average arrival delay: 13.0 minutes.

Data: US BTS, last 12 months.

13.0 minavg arrival delay

0.8%cancelled

0diverted

365flights tracked

Arrival delay distribution

Early/on time · 2751–60 min · 7061–180 min · 11180+ min · 6

On-time by day of week

Mon

86.5%

Tue

96.2%

Wed

82.7%

Thu

94.2%

Fri

86.3%

Sat

82.4%

Sun

86.5%

On-time by month

96.7%

Sep

93.5%

Oct

90.0%

Nov

77.4%

Dec

77.4%

Jan

96.4%

Feb

73.3%

Mar

86.7%

Apr

90.3%

May

96.6%

Jun

90.0%

Jul

87.1%

Aug

← All flights on ORD–ATL