DL429Delta Air Lines · SEA → JFK
live · 28m ago
Route confirmed Delta Air Lines

DL429 SeattleSEA · 07:15 New YorkJFK · 15:46

DL429 by Delta Air Lines flies from Seattle (SEA) to New York (JFK) for the Sun, Oct 11 departure.

Right nowOn time · gate A13 · as of 06:22
07:15

departs SEA · on schedule

Typical arrival−5 minmedian over 9 operations

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-10
+2 arrival
10-09
+11 arrival
10-08
−4 arrival
10-07
−36 arrival
10-06
−5 arrival
10-05
−25 arrival
10-04
+20 arrival

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

The last 30 days

arrival outcome per operation

median arrival −5 min · 0 cancelled · 9 operations tracked

The route today

live boards
SEASeattleModerate riskSEA delay board →
JFKNew YorkOn-time likelyJFK delay board →
SEA→JFKevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
3.2%Chance of cancellation
+5 minAvg hub delay right now

Conditions at SEA and JFK are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 Seattle to New York flights today

same route · Delta Air Lines
DL415departs 11:50
DL461departs 15:55
DL1065departs 16:00
DL1044departs 16:01
DL452departs 22:40

If DL429 is cancelled, these are the other Delta Air Lines nonstop flights from Seattle to New York on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How DL429 actually runs

Pro Flight Search has tracked every published board update for DL429 across the SEA and JFK boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 9 confirmed landings · 8/9 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL429 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-10SEA 07:15JFK 15:46 15:48 (+2)
10-09SEA 07:15JFK 15:46 15:57 (+11)
10-08SEA 07:15JFK 15:46 15:42 (−4)
10-07SEA 07:15JFK 15:46 15:10 (−36)
10-06SEA 07:15JFK 15:46 15:41 (−5)
10-05SEA 07:15JFK 15:45 15:20 (−25)
10-04SEA 07:15JFK 15:45 16:05 (+20)
10-03SEA 07:15JFK 15:45 15:22 (−23)
10-02SEA 07:15JFK 15:45 15:22 (−23)

Aircraft

Recent tails: N583DT.

Board clocks recorded as SEA and JFK published them.

Planning around DL429? 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 — DL429 Seattle to New York on-time performance, measured from the SEA and JFK airport boards.

Canonical URL
https://proflightsearch.com/flight/DL429
How we measure this →