DL850Delta Air Lines · ATL → DCA
live · 4m ago
Route confirmed Delta Air Lines

DL850 AtlantaATL · 15:37 WashingtonDCA · 17:30

DL850 by Delta Air Lines flies from Atlanta (ATL) to Washington (DCA) for the Fri, Sep 18 departure.

Right nowLanded in Washington · position data
17:25

arrived at DCA · 5 min early

⚖ DL850 typically leaves +18 and lands −12. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-17
+56 gate · +25 arrival
09-16
+18 gate · −2 arrival
09-15
+24 gate · −6 arrival
09-14
+13 gate · −12 arrival
09-13
+13 gate · −13 arrival
09-12
+19 gate · −15 arrival
09-11
+87 gate · +63 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 −12 min · 0 cancelled · 12 operations tracked

The route today

live boards
ATLAtlantaModerate riskATL delay board →
DCAWashingtonOn-time likelyDCA delay board →
ATL→DCAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
2.9%Chance of cancellation
+12 minAvg hub delay right now

Conditions at ATL and DCA 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 Washington flights today

same route · Delta Air Lines
DL926departs 07:25
DL380departs 09:40
DL1798departs 11:00
DL880departs 11:00
DL360departs 13:10
DL950departs 16:40

If DL850 is cancelled, these are the other Delta Air Lines nonstop flights from Atlanta to Washington 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 DL850 actually runs

Pro Flight Search has tracked every published board update for DL850 across the ATL and DCA boards: schedule changes, gate pushes and actual clocks. Usually lands ~10 min early. Based on 11 confirmed landings · 9/11 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 DL850 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
09-17ATL 15:37 16:33 (+56)DCA 17:30 17:55 (+25)
09-16ATL 15:37 15:55 (+18)DCA 17:30 17:28 (−2)
09-15ATL 15:37 16:01 (+24)DCA 17:30 17:24 (−6)
09-14ATL 15:37 15:50 (+13)DCA 17:30 17:18 (−12)
09-13ATL 15:37 15:50 (+13)DCA 17:30 17:17 (−13)
09-12ATL 15:37 15:56 (+19)DCA 17:30 17:15 (−15)
09-11ATL 15:38 17:05 (+87)DCA 17:31 18:34 (+63)
09-10ATL 15:37 15:43 (+6)DCA 17:30 16:57 (−33)
09-09ATL 15:37 15:51 (+14)DCA 17:30 17:11 (−19)
09-08ATL 15:37 15:56 (+19)DCA 17:30 17:18 (−12)
09-07ATL 15:37 15:49 (+12)DCA 17:28 17:08 (−20)
09-06ATL 15:37 15:48 (+11)DCA

Aircraft

Recent tails: N355NW, N351NW, N352NW, N350NA.

Board clocks recorded as ATL and DCA 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 — DL850 Atlanta to Washington on-time performance, measured from the ATL and DCA airport boards.

Canonical URL
https://proflightsearch.com/flight/DL850
How we measure this →