DL434Delta Air Lines · ATL → LGA
live · 1h ago
Route confirmed Delta Air Lines

DL434 AtlantaATL · 18:00 New YorkLGA · 20:30

DL434 by Delta Air Lines flies from Atlanta (ATL) to New York (LGA).

Same number through ATL → IAD → LGA

Right nowNext departure today Operates daily
18:00

scheduled from ATL

⚖ DL434 typically leaves +16 and lands −2. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-07
+9 gate · −24 arrival
09-06
+11 gate · −20 arrival
09-04
+64 gate · +43 arrival
09-03
+16 gate · −18 arrival
09-02
+22 arrival
09-01
+8 gate · +23 arrival
08-31
+9 gate · −24 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 −2 min · 0 cancelled · 13 operations tracked

The route today

live boards
ATLAtlantaOn-time likelyATL delay board →
LGANew YorkOn-time likelyLGA delay board →
ATL→LGAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
38%Chance of 15+ min delay
4.9%Chance of cancellation
+10 minAvg hub delay right now

Conditions at ATL and LGA 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 Atlanta to New York flights today

same route · Delta Air Lines
DL404departs 06:00
DL323departs 07:30
DL513departs 08:30
DL557departs 09:30
DL371departs 10:30
DL467departs 11:30

If DL434 is cancelled, these are the other Delta Air Lines nonstop flights from Atlanta to New York on the same day, with scheduled departure times in ATL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How DL434 actually runs

Pro Flight Search has tracked every published board update for DL434 across the ATL and LGA boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 13 confirmed landings · 9/13 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how DL434 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
09-07ATL 18:00 18:09 (+9)LGA 20:30 20:06 (−24)
09-06ATL 18:00 18:11 (+11)LGA 20:30 20:10 (−20)
09-04ATL 18:00 19:04 (+64)LGA 20:30 21:13 (+43)
09-03ATL 18:00 18:16 (+16)LGA 20:30 20:12 (−18)
09-02ATL 18:00LGA 20:30 20:52 (+22)
09-01ATL 18:00 18:08 (+8)LGA 20:30 20:53 (+23)
08-31ATL 18:00 18:09 (+9)LGA 20:30 20:06 (−24)
08-30ATL 18:00 18:27 (+27)LGA 20:30 20:20 (−10)
08-28ATL 18:00 18:51 (+51)LGA 20:30 20:40 (+10)
08-27ATL 18:00 21:09 (+189)LGA 20:30 23:00 (+150)
08-26ATL 18:00 18:36 (+36)LGA 20:30 20:29 (−1)
08-25ATL LGA 20:30 20:11 (−19)
08-24ATL 18:00 18:08 (+8)LGA 20:30 20:28 (−2)

Aircraft

Recent tails: N392DN, N118DY, N376DN, N383DZ.

Board clocks recorded as ATL and LGA published them.

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 — DL434 Atlanta to New York on-time performance, measured from the ATL and LGA airport boards.

Canonical URL
https://proflightsearch.com/flight/DL434
How we measure this →