DL3857Delta Air Lines · GEG → SEA
live · 23m ago
Route confirmed Delta Air Lines

DL3857 SpokaneGEG · 17:38 SeattleSEA · 19:05

DL3857 by Delta Air Lines flies from Spokane (GEG) to Seattle (SEA) for the Thu, Nov 5 departure.

Right nowExpected in Seattle · Estimated
18:39

arrival expected at SEA · 26 min early

Typical gate push+9 minmedian posted departure
Wins back in air~35 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
11-05
+18 gate · −26 arrival
11-04
+18 gate
11-03
+7 gate
11-02
+9 gate
11-01
+9 gate

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 −26 min · 0 cancelled · 5 operations tracked

The route today

live boards
GEGSpokaneOn-time likelyGEG delay board →
SEASeattleHigh riskSEA delay board →
GEG→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
57%Chance of 15+ min delay
0.7%Chance of cancellation
+46 minTypical airport delay in this weather

Driven mainly by GEG (Spokane), currently flying LIFR (low instrument). 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 Spokane

Forecast

Fri 6 Nov, local date

High10°Clikely 8°C to 12°C
Low2°Clikely −1°C to 4°C
  • 49% chance of fog

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

Fri 6 Nov, local date

High13°Clikely 12°C to 15°C
Low9°Clikely 7°C to 11°C
  • 90% 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 Spokane to Seattle flights today

same route · Delta Air Lines
DL1664departs 05:10
DL2218departs 05:10
DL3790departs 07:05
DL3830departs 09:30
DL3824departs 11:18
DL3754departs 13:00

If DL3857 is cancelled, these are the other Delta Air Lines nonstop flights from Spokane to Seattle on the same day, with scheduled departure times in GEG 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 DL3857 actually runs

Pro Flight Search has tracked every published board update for DL3857 across the GEG and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs ~9 min late. Based on 5 confirmed departures · 3/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL3857 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
11-05GEG 17:38 17:56 (+18)SEA 19:05 18:39 (−26)
11-04GEG 17:38 17:56 (+18)SEA 19:05
11-03GEG 17:38 17:45 (+7)SEA 19:05
11-02GEG 17:38 17:47 (+9)SEA 19:05
11-01GEG 17:38 17:47 (+9)SEA 19:05

Aircraft

Recent tails: N613CZ, N307SY, N253SY, N309SY.

Board clocks recorded as GEG and SEA published them.

Planning around DL3857? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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: DL3857 Spokane to Seattle on-time performance, measured from the GEG and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/DL3857
How we measure this →