DL539 · ATL → PDX

Delta Air Lines · Atlanta to Portland · last 12 months · 365 flights tracked

83.2%on-time

DL539 ATL→PDX: 83.2% on-time over 365 flights (last 12 months) — solid. It beats the route average (78.4%) by 4.8 points. Best day to fly: Thu (90.4%); worst: Mon (75.0%). Seasonality matters: Aug is the most reliable month (96.8%), Dec the worst (56.7%). Cancellation rate is 1.6% — have a backup plan. Average arrival delay: 7.8 minutes.

Data: US BTS, last 12 months.

7.8 minavg arrival delay

1.6%cancelled

1diverted

365flights tracked

Arrival delay distribution

Early/on time · 2141–60 min · 13761–180 min · 7180+ min · 0

On-time by day of week

Mon

75.0%

Tue

84.6%

Wed

76.9%

Thu

90.4%

Fri

86.5%

Sat

87.8%

Sun

81.6%

On-time by month

90.0%

Sep

80.6%

Oct

86.2%

Nov

56.7%

Dec

76.7%

Jan

70.4%

Feb

76.7%

Mar

89.7%

Apr

90.3%

May

96.7%

Jun

83.9%

Jul

96.8%

Aug

← All flights on ATL–PDX