DL661Delta Air Lines · SNA → SEA
updated 57m ago
Route confirmed Delta Air Lines

DL661 Santa AnaSNA · 14:03 SeattleSEA · 16:59

DL661 by Delta Air Lines flies from Santa Ana (SNA) to Seattle (SEA) for the Wed, Nov 4 departure.

Right nowDeparted · today · as of 21:22
15:47

departs SNA · 104 min late

Typical gate push+23 minmedian posted departure

Where the minutes go

last 4 operations · gate push → arrival
0+35+69+104 min
11-04
+104 gate
11-03
+3 gate
11-02
+43 gate
11-01
+2 gate

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

The route today

live boards
SNASanta AnaOn-time likelySNA delay board →
SEASeattleHigh riskSEA delay board →
SNA→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
29%Chance of 15+ min delay
0.7%Chance of cancellation
+3 minTypical airport delay in this weather

Conditions at SNA and SEA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 at Santa Ana

Forecast

Thu 5 Nov, local date

High26°Clikely 25°C to 27°C
Low15°Clikely 14°C to 16°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Seattle

Forecast

Thu 5 Nov, local date

High14°Clikely 12°C to 15°C
Low9°Clikely 7°C to 10°C
  • 72% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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 Santa Ana to Seattle flights today

same route · Delta Air Lines
DL3994departs 07:15
DL3946departs 11:59
DL3911departs 18:02

If DL661 is cancelled, these are the other Delta Air Lines nonstop flights from Santa Ana to Seattle on the same day, with scheduled departure times in SNA local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How DL661 actually runs

Pro Flight Search has tracked every published board update for DL661 across the SNA and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs ~13 min late. Based on 4 confirmed departures · 2/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL661 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
11-04SNA 14:03 15:47 (+104)SEA 16:59
11-03SNA 14:03 14:06 (+3)SEA 16:59
11-02SNA 14:03 14:46 (+43)SEA 16:59
11-01SNA 14:03 14:05 (+2)SEA 16:59
10-31SNA SEA 17:19

Aircraft

Recent tails: N311DU, N321DU, N330DU.

Board clocks recorded as SNA and SEA 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: DL661 Santa Ana to Seattle on-time performance, measured from the SNA and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/DL661
How we measure this →