DL566Delta Air Lines · STL → ATL
live · 2h ago
Route confirmed Delta Air Lines

DL566 St LouisSTL · 13:40 AtlantaATL · 16:15

DL566 by Delta Air Lines flies from St Louis (STL) to Atlanta (ATL) for the Wed, Sep 9 departure.

Right nowDeparts today · today · as of 10:18
13:40

departs STL · on schedule

⚖ DL566 typically leaves +5 and lands −28. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-09
−23 arrival
09-08
+7 gate · −23 arrival
09-07
−3 gate · −40 arrival
09-06
+5 gate · −37 arrival
09-05
+6 gate · −29 arrival
09-04
+5 gate · −26 arrival
09-03
+6 gate · −25 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 −28 min · 0 cancelled · 14 operations tracked

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
ATLAtlantaOn-time likelyATL delay board →
STL→ATLevery 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
1.1%Chance of cancellation
+9 minAvg hub delay right now

Conditions at STL and ATL 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 St Louis to Atlanta flights today

same route · Delta Air Lines
DL1524departs 06:00
DL1536departs 07:00
DL1571departs 09:15
DL1400departs 11:00
DL2700departs 15:39
DL1799departs 17:23

If DL566 is cancelled, these are the other Delta Air Lines nonstop flights from St Louis to Atlanta on the same day, with scheduled departure times in STL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How DL566 actually runs

Pro Flight Search has tracked every published board update for DL566 across the STL and ATL boards: schedule changes, gate pushes and actual clocks. Usually lands ~26 min early. Based on 13 confirmed landings · 13/13 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 DL566 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
09-09STL 13:40ATL 16:15 15:52 (−23)
09-08STL 13:40 13:47 (+7)ATL 16:15 15:52 (−23)
09-07STL 12:52 12:49 (−3)ATL 15:33 14:53 (−40)
09-06STL 13:04 13:09 (+5)ATL 15:49 15:12 (−37)
09-05STL 13:04 13:10 (+6)ATL 15:49 15:20 (−29)
09-04STL 12:52 12:57 (+5)ATL 15:33 15:07 (−26)
09-03STL 12:52 12:58 (+6)ATL 15:33 15:08 (−25)
09-02STL 12:52 12:51 (−1)ATL 15:33 14:57 (−36)
09-01STL 12:52 12:49 (−3)ATL 15:33
08-31STL 12:52 12:59 (+7)ATL 15:33 15:05 (−28)
08-29STL 13:04 13:06 (+2)ATL 15:49 15:15 (−34)
08-28STL 12:52 12:57 (+5)ATL 15:33 15:17 (−16)
08-27STL 12:52 13:17 (+25)ATL 15:33 15:27 (−6)
08-26STL 12:52 12:51 (−1)ATL 15:33 14:59 (−34)

Aircraft

Recent tails: N942DZ, N959DZ, N850DN, N840DN.

Board clocks recorded as STL and ATL 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 — DL566 St Louis to Atlanta on-time performance, measured from the STL and ATL airport boards.

Canonical URL
https://proflightsearch.com/flight/DL566
How we measure this →