BA 53 · LHR → SEA

took off 10:36 AM BST (scheduled 9:50 AM BST → 11:39 AM PT)

Forecast issued Sun 11:00 AM ET · 6h after departure

Arrive at SEA more than 15 minutes late?

25% chance · ±1 pts +3 pts · 24h

HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.

How late will it get to SEA?

On time or early
73%
15–30 min late
17%
30 min–1 hour late
4%
1–2 hours late
2%
Over 2 hours late
2%

Gate arrival compared with the scheduled arrival. The ranges add up to 100%.

What’s moving the odds

↑ This route's recent record

↑ SEA is prone to delays

↑ SEA is busy at that time

↓ Mostly benign weather forecast at LHR

↓ Mostly benign weather forecast at SEA

Weather at each end

LHR (origin) Gusts8 kt Ceilingnone (clear) Visibility10+ mi Precipnone

SEA (destination) Gusts13 kt Ceiling10,000 ft Visibility10+ mi Precipnone

How this resolves

Yes if the gate arrival is more than 15 minutes after the scheduled arrival. Cancelled or diverted flights resolve N/A.

Every question here is display only — there is no betting or money involved. Gate times come from the airline; a cancellation resolves only the “Cancelled?” question, and a diversion voids the delay questions.

BA 53 · LHR → SEA

Odds over time

How late will it get to SEA?