DL4153Delta Air Lines · SMF → SEA
live · 17m ago
Route confirmed Delta Air Lines

DL4153 SacramentoSMF · 17:29 SeattleSEA · 19:37

DL4153 by Delta Air Lines flies from Sacramento (SMF) to Seattle (SEA) for the Mon, Sep 14 departure.

Right nowEn route to Seattle · off blocks 18:14 · 45 min late
19:11

estimated arrival at SEA · local time · landing about now

En routeDL4153 · position estimated
SMFSacramentoSEASeattle
Estimated from the boardsarr 19:11

Board estimate · gate and arrival times. Off blocks 18:14 · typical taxi-out at SMF ≈ 5.1 min.

Typical gate push+45 minmedian posted departure
Typical arrival−26 minmedian over 1 operations
Wins back in air~71 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
09-15
+45 gate · −26 arrival
09-14
+45 gate
09-13
+35 gate
09-12
+23 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
SMFSacramentoModerate riskSMF delay board →
SEASeattleOn-time likelySEA delay board →
SMF→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
38%Chance of 15+ min delay
0.8%Chance of cancellation
+5 minAvg hub delay right now

Conditions at SMF and SEA 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 Sacramento to Seattle flights today

same route · Delta Air Lines
DL4075departs 07:46
DL3881departs 11:17
DL4125departs 12:52
DL4043departs 19:41

If DL4153 is cancelled, these are the other Delta Air Lines nonstop flights from Sacramento to Seattle on the same day, with scheduled departure times in SMF local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How DL4153 actually runs

Pro Flight Search has tracked every published board update for DL4153 across the SMF and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs ~45 min late. Based on 4 confirmed departures · 0/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL4153 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
09-15SMF 17:29 18:14 (+45)SEA 19:37 19:11 (−26)
09-14SMF 17:29 18:14 (+45)SEA 19:37
09-13SMF 17:29 18:04 (+35)SEA 19:37
09-12SMF 17:29 17:52 (+23)SEA 19:37

Aircraft

Recent tails: N301SY, N278SY, N297SY.

Board clocks recorded as SMF 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 — DL4153 Sacramento to Seattle on-time performance, measured from the SMF and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/DL4153
How we measure this →