Tracked live by the FAA, but its flight plan was first seen after takeoff, so we don't know the scheduled time and can't say whether it's late.

ENVOY · FLIGHT MQ 3546 LANDED 8:00 AM CT, ~8 MIN LATE · SCHEDULED TIME UNKNOWN

Wednesday, September 30 Today

MQ 3546 · BOS → STL

took off 6:34 AM ET · landed 8:00 AM CT (scheduled time unknown)

Forecast issued Wed 11:00 AM ET · 4h after departure

Arrive at STL more than 15 minutes late?

16% chance · ±0 pts +4 pts · 24h

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

What’s moving the odds

↑ MQ's recent on-time record

↑ BOS is prone to delays

↑ Other factors

↓ Early flights usually leave on time

↓ Mostly benign weather forecast at STL

Weather at each end

BOS (origin) Gusts8 kt Ceiling800 ft Visibility2 mi Precip0.02 in

STL (destination) Gusts14 kt Ceiling9,000 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.

MQ 3546 · BOS → STL

Odds over time