SEA Today
Decent day. Departures at 82%, arrivals slightly better at 91%. Early morning flights ran 13 points better than afternoon. Fly 5am - 9am if you can. That window has been running at 85%.
What This Means for You
Mostly normal at SEA. 82% on-time means roughly 1 in 6 flights is late. If you have a tight connection, add buffer time. Afternoon departures tend to stack up.
If you can choose your departure time: early morning flights (5am - 9am) run at 85%. Afternoon (3pm - 6pm) drops to 72%. That is a 13-point difference from the same airport on the same day.
Victoria International Airport (YYJ) is 98 miles away and running 88% today. If your route is available from both airports, YYJ is the better bet right now.
SEA Flight Board
Live departures and arrivals at Seattle–Tacoma International Airport.
| Status | Airline | Flight | Destination | Sched | Updated | Gate |
|---|---|---|---|---|---|---|
Pick Your Window
Early Morning vs Afternoon is a 13-point swing at SEA. The early morning block runs at 85%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
Morning held up fine at 83%. Hit 67% around 5am, peaked at 100% around 3am. A 33-point swing from best to worst today.
vs Last Week
Tracking about the same as last week. Departures at 80%, last week 82%. Arrivals roughly the same. Mon was the worst day, Sat the best.
The Bigger Picture
SEA has been bouncing between 36% and 91%. Best day was Mar 4 at 91%. Worst was Mar 13 at 36%. The norm is 76-82%, which is just how SEA runs. Today is right in line with the average.
About SEA Delays
Seattle–Tacoma International Airport (SEA) is currently running on time with 82% on-time departures and 91% on-time arrivals. This data updates every 5 minutes from FAA sources.
Seattle–Tacoma International Airport has averaged 80% on-time departures this week, making it moderately reliable. Performance varies by time of day and weather conditions.
Seattle–Tacoma International Airport is one of 179 FAA-monitored US airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 5 minutes, with historical trends available for the past 90 days.
Nearby alternatives include YYJ (Victoria International Airport), YVR (Vancouver International Airport) and PDX (Portland International Airport). When SEA is experiencing delays, these airports may offer better on-time performance.
Early morning departures from Seattle–Tacoma International Airport typically have the highest on-time rates. Delays tend to accumulate throughout the day as cascading effects from earlier disruptions compound. Check the 24-hour trend chart above for today's pattern.