DL4125 SEA → SMF

Delta Air Lines · Seattle, WA to Sacramento, CA · 349 flights observed, 2025-07-01 to 2026-06-30 · 605 mi

DL4125 covers more than one route in the data window — the stats below are for SEA → SMF, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
91%
Median delay
-11 min
90th percentile
+10 min
Cancellation rate
0%

How often is DL4125 on time?

Across 349 flights on SEA → SMF from 2025-07-01 to 2026-06-30, DL4125 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +10 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time31991%
16-30 min123%
31-60 min41%
61-120 min113%
2+ hrs31%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073194%-10 min
2025-083194%-7 min
2025-093093%-5 min
2025-103187%+1 min
2025-1130100%-11 min
2025-121984%-1 min
2026-012793%-5 min
2026-022889%-5 min
2026-033181%+10 min
2026-043087%-1 min
2026-053197%-13 min
2026-063097%-11 min

Performance by day of week

DayFlightsOn-time
Mon5094%
Tue5194%
Wed5092%
Thu5086%
Fri5092%
Sat4994%
Sun4988%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…