ON TIMEBOARD

DL 743 on time

Delta Air Lines 743: Atlanta to Sacramento at 5:59 p.m. (past 12 months)

On time
74%
303 flights · likely 69–79%
Cancelled
0.7%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+56 min
average delay
Similar flights
75%
DL, same route & hour

About 1 in 4 DL 743 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (26%); 0.7% were cancelled. The typical flight landed 3 minutes early.

DL 743: ATL → SMF

Scheduled to leave Atlanta at 5:59 p.m. local time. Over the past year it arrived on time 74% of the time (303 flights), in line with other DL flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 76% on time (17 flights)76SepOct 2025: 83% on time (23 flights)83OctNov 2025: 72% on time (18 flights)72NovDec 2025: 72% on time (29 flights)72DecJan 2026: 88% on time (25 flights)88JanFeb 2026: 91% on time (22 flights)91FebMar 2026: 85% on time (27 flights)85MarApr 2026: 77% on time (26 flights)77AprMay 2026: 64% on time (25 flights)64MayJun 2026: 66% on time (29 flights)66JunJul 2026: 65% on time (31 flights)65JulAug 2026: 58% on time (31 flights)58Aug

By day of week

DayFlightsOn time
Monday4982%
Tuesday4879%
Wednesday4881%
Thursday4873%
Friday4867%
Saturday16—
Sunday4663%

Why it was late

Airline (crew, maintenance, ops) 43%Air traffic & airport (NAS) 25%Late inbound plane 20%Severe weather 12%

All flights ATL → SMF · Connecting off DL 743? Check the risk

Questions

How often is DL 743 from ATL to SMF late?

Delta Air Lines 743 from Atlanta, GA to Sacramento, CA arrived 15 or more minutes late, was diverted or was cancelled on 26% of 303 scheduled flights between September 2025 and August 2026. 0.7% 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.