DL1178Delta Air Lines · ORD → ATL
live · 1h ago
Route confirmed Delta Air Lines

DL1178 ChicagoORD · 09:51 AtlantaATL · 12:55

DL1178 by Delta Air Lines flies from Chicago (ORD) to Atlanta (ATL).

Right nowNext departure today Operates daily
07:25

scheduled from ORD

Typical gate push−6 minmedian posted departure
Typical arrival−28 minmedian over 7 operations
Wins back in air~22 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-26
+0 gate · −17 arrival
10-25
−7 gate · −34 arrival
10-23
−7 gate · −28 arrival
10-22
+17 gate · −18 arrival
10-19
−6 gate · −38 arrival
10-18
−6 gate · −39 arrival
10-16
−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 −28 min · 0 cancelled · 7 operations tracked

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
ATLAtlantaOn-time likelyATL delay board →
ORD→ATLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
1.4%Chance of cancellation
+10 minAvg hub delay right now

Conditions at ORD 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 →

Tomorrow on this route

Forecast

Chicago to Atlanta with Delta Air Lines · Thu 29 Oct, local date

Outlook: below usual
Chance a departure is cancelled
0.6%0.8× usual
Chance a departure leaves 60+ min late
9.9%0.7× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 8 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 Chicago to Atlanta flights today

same route · Delta Air Lines
DL1264departs 05:27
DL1247departs 06:30
DL1687departs 08:05
DL2426departs 08:05
DL1147departs 10:44
DL2894departs 13:23

If DL1178 is cancelled, these are the other Delta Air Lines nonstop flights from Chicago to Atlanta on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How DL1178 actually runs

Pro Flight Search has tracked every published board update for DL1178 across the ORD and ATL boards: schedule changes, gate pushes and actual clocks. Usually lands ~18 min early. Based on 7 confirmed landings · 7/7 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 DL1178 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
10-26ORD 09:51 (+0)ATL 12:55 12:38 (−17)
10-25ORD 09:51 09:44 (−7)ATL 12:55 12:21 (−34)
10-23ORD 09:51 09:44 (−7)ATL 12:55 12:27 (−28)
10-22ORD 09:51 10:08 (+17)ATL 12:55 12:37 (−18)
10-19ORD 09:51 09:45 (−6)ATL 12:55 12:17 (−38)
10-18ORD 09:51 09:45 (−6)ATL 12:55 12:16 (−39)
10-16ORD ATL 12:54 12:30 (−24)

Aircraft

Recent tails: N904DN, N843DN, N875DN, N823DN.

Board clocks recorded as ORD 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 — DL1178 Chicago to Atlanta on-time performance, measured from the ORD and ATL airport boards.

Canonical URL
https://proflightsearch.com/flight/DL1178
How we measure this →