DL384Delta Air Lines · BOS → SEA
live · 3m ago
Route confirmed Delta Air Lines

DL384 BostonBOS · 07:55 SeattleSEA · 11:20

DL384 by Delta Air Lines flies from Boston (BOS) to Seattle (SEA) for the Mon, Oct 12 departure.

Right nowIn the air to Seattle · off blocks 07:50 · 5 min early
11:18

estimated arrival at SEA · local time · ~4h 07m from now

LivePosition · updated 3m ago
SEA1,795 mi · ~4h 07m leftBOS
34,000 ftAltitudecruising
468 mphSpeed407 kt
281°Direction

Live position · flown path, last 1h 36m

Typical gate push−5 minmedian posted departure
Typical arrival−2 minmedian over 1 operations

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
10-12
−5 gate · −2 arrival
10-11
−5 gate
10-10
+10 gate
10-09
−5 gate

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
BOSBostonOn-time likelyBOS delay board →
SEASeattleOn-time likelySEA delay board →
BOS→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
56%Chance of 15+ min delay
9.2%Chance of cancellation
+32 minAvg hub delay right now

Driven mainly by BOS (Boston), currently flying IFR (instrument). For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Boston to Seattle flights today

same route · Delta Air Lines
DL332departs 10:50
DL2889departs 15:47
DL797departs 19:25
DL324departs 19:45

If DL384 is cancelled, these are the other Delta Air Lines nonstop flights from Boston to Seattle on the same day, with scheduled departure times in BOS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How DL384 actually runs

Pro Flight Search has tracked every published board update for DL384 across the BOS and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs ~5 min early. Based on 4 confirmed departures · 4/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL384 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-12BOS 07:55 07:50 (−5)SEA 11:20 11:18 (−2)
10-11BOS 07:55 07:50 (−5)SEA 11:20
10-10BOS 07:55 08:05 (+10)SEA 11:20
10-09BOS 07:55 07:50 (−5)SEA

Board clocks recorded as BOS and SEA published them.

Planning around DL384? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — DL384 Boston to Seattle on-time performance, measured from the BOS and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/DL384
How we measure this →