DL2635 · SEA → SFO

Delta Air Lines · Seattle to San Francisco · last 12 months · 340 flights tracked

69.6%on-time

DL2635 SEA→SFO: 69.6% on-time over 340 flights (last 12 months) — average. It beats the route average (59.8%) by 9.8 points. Best day to fly: Sat (89.4%); worst: Sun (58.3%). Seasonality matters: Dec is the most reliable month (94.7%), Jul the worst (30.0%). Average arrival delay: 19.0 minutes.

Data: US BTS, last 12 months.

19.0 minavg arrival delay

1.2%cancelled

0diverted

340flights tracked

Arrival delay distribution

Early/on time · 1751–60 min · 13761–180 min · 21180+ min · 3

On-time by day of week

Mon

60.8%

Tue

72.3%

Wed

68.8%

Thu

69.4%

Fri

69.6%

Sat

89.4%

Sun

58.3%

On-time by month

91.3%

Sep

70.0%

Oct

58.6%

Nov

94.7%

Dec

76.9%

Jan

67.9%

Feb

79.3%

Mar

80.0%

Apr

67.7%

May

70.0%

Jun

30.0%

Jul

64.5%

Aug

← All flights on SEA–SFO