DL831 · SEA → AUS

Delta Air Lines · Seattle to AUS · last 12 months · 353 flights tracked

78.7%on-time

DL831 SEA→AUS: 78.7% on-time over 353 flights (last 12 months) — solid. It beats the route average (78.5%) by 0.2 points. Best day to fly: Tue (92.3%); worst: Fri (65.4%). Seasonality matters: Apr is the most reliable month (96.2%), Jul the worst (61.3%). Cancellation rate is 1.7% — have a backup plan. Average arrival delay: 14.6 minutes.

Data: US BTS, last 12 months.

14.6 minavg arrival delay

1.7%cancelled

0diverted

353flights tracked

Arrival delay distribution

Early/on time · 2151–60 min · 10861–180 min · 18180+ min · 6

On-time by day of week

Mon

71.7%

Tue

92.3%

Wed

86.5%

Thu

80.4%

Fri

65.4%

Sat

78.9%

Sun

75.5%

On-time by month

86.2%

Sep

80.6%

Oct

66.7%

Nov

79.3%

Dec

93.1%

Jan

89.3%

Feb

81.5%

Mar

96.2%

Apr

70.0%

May

69.0%

Jun

61.3%

Jul

74.2%

Aug

← All flights on SEA–AUS