ON TIMEBOARD

DL 3712 on time

Delta Air Lines 3712: Los Angeles to Sacramento at 5:35 p.m.; Sacramento to Los Angeles at 6:55 p.m. (past 12 months). Figures below the title are for LAX → SMF, its busiest leg

On time
89%
255 flights · likely 85–92%
Cancelled
0.0%
of scheduled flights
Typical arrival
−14 min
median vs schedule
When late
+48 min
average delay
Similar flights
92%
DL, same route & hour

About 1 in 9 DL 3712 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (11%); 0.0% were cancelled. The typical flight landed 14 minutes early.

DL 3712: LAX → SMF

Scheduled to leave Los Angeles at 5:35 p.m. local time, operated by SkyWest as OO 3712. Over the past year it arrived on time 89% of the time (255 flights), worse than other DL flights on the route at that hour (92%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 90% on time (30 flights)90AprMay 2025: 81% on time (26 flights)81MayJun 2025: too few flights (6 flights)JunDec 2025: too few flights (12 flights)DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 87% on time (31 flights)87MarApr 2026: 87% on time (30 flights)87AprMay 2026: 81% on time (31 flights)81MayJun 2026: 97% on time (30 flights)97JunJul 2026: 94% on time (31 flights)94JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday3792%
Tuesday3686%
Wednesday3694%
Thursday3689%
Friday3689%
Saturday3784%
Sunday3789%

Why it was late

Airline (crew, maintenance, ops) 74%Severe weather 25%Air traffic & airport (NAS) 1%

All flights LAX → SMF · Connecting off DL 3712? Check the risk

DL 3712: SMF → LAX

Scheduled to leave Sacramento at 6:55 p.m. local time, operated by SkyWest as OO 3712. Over the past year it arrived on time 90% of the time (179 flights), in line with other DL flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2025: 77% on time (26 flights)77MarApr 2025: 85% on time (26 flights)85AprMay 2025: 84% on time (25 flights)84MayJun 2025: too few flights (6 flights)JunDec 2025: too few flights (9 flights)DecJan 2026: 92% on time (25 flights)92JanFeb 2026: 95% on time (22 flights)95FebMar 2026: too few flights (6 flights)MarMay 2026: 80% on time (25 flights)80MayJun 2026: 93% on time (30 flights)93JunJul 2026: 84% on time (31 flights)84JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday2893%
Tuesday2793%
Wednesday25100%
Thursday2685%
Friday2879%
Saturday2090%
Sunday2592%

Why it was late

Airline (crew, maintenance, ops) 64%Air traffic & airport (NAS) 25%Severe weather 11%

All flights SMF → LAX · Connecting off DL 3712? Check the risk

Questions

How often is DL 3712 from LAX to SMF late?

Delta Air Lines 3712 from Los Angeles, CA to Sacramento, CA arrived 15 or more minutes late, was diverted or was cancelled on 11% of 255 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is DL 3712 from SMF to LAX late?

Delta Air Lines 3712 from Sacramento, CA to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 10% of 179 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.