ON TIMEBOARD
Delta Air Lines / SAT → ATL

DL 1676 on time

Delta Air Lines 1676: San Antonio to Atlanta at 10:50 a.m.; Atlanta to San Antonio at 8:15 a.m. (past 12 months). Figures below the title are for SAT → ATL, its busiest leg

On time
82%
254 flights · likely 77–86%
Cancelled
4.3%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+92 min
average delay
Similar flights
83%
DL, same route & hour

About 1 in 6 DL 1676 flights from San Antonio arrived 15+ minutes late, diverted or cancelled over the past year (18%); 4.3% were cancelled. The typical flight landed 9 minutes early.

DL 1676: SAT → ATL

Scheduled to leave San Antonio at 10:50 a.m. local time. Over the past year it arrived on time 82% of the time (254 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 80% on time (30 flights)80AprMay 2025: 68% on time (31 flights)68MayJun 2025: too few flights (7 flights)JunDec 2025: too few flights (12 flights)DecJan 2026: 81% on time (31 flights)81JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 87% on time (31 flights)87MarApr 2026: 90% on time (30 flights)90AprMay 2026: 84% on time (31 flights)84MayJun 2026: 83% on time (30 flights)83JunJul 2026: 70% on time (30 flights)70JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday3781%
Tuesday3683%
Wednesday3692%
Thursday3686%
Friday3686%
Saturday3678%
Sunday3768%

Why it was late

Airline (crew, maintenance, ops) 61%Air traffic & airport (NAS) 25%Late inbound plane 14%

All flights SAT → ATL · Connecting off DL 1676? Check the risk

DL 1676: ATL → SAT

Scheduled to leave Atlanta at 8:15 a.m. local time. Over the past year it arrived on time 87% of the time (254 flights), in line with other DL flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 87% on time (30 flights)87AprMay 2025: 71% on time (31 flights)71MayJun 2025: too few flights (7 flights)JunDec 2025: too few flights (12 flights)DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 97% on time (31 flights)97MarApr 2026: 93% on time (30 flights)93AprMay 2026: 81% on time (31 flights)81MayJun 2026: 93% on time (30 flights)93JunJul 2026: 80% on time (30 flights)80JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday3778%
Tuesday3692%
Wednesday3694%
Thursday3686%
Friday3692%
Saturday3689%
Sunday3776%

Why it was late

Airline (crew, maintenance, ops) 55%Air traffic & airport (NAS) 25%Late inbound plane 13%Severe weather 8%

All flights ATL → SAT · Connecting off DL 1676? Check the risk

Questions

How often is DL 1676 from SAT to ATL late?

Delta Air Lines 1676 from San Antonio, TX to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 18% of 254 scheduled flights between September 2025 and August 2026. 4.3% were cancelled.

How often is DL 1676 from ATL to SAT late?

Delta Air Lines 1676 from Atlanta, GA to San Antonio, TX arrived 15 or more minutes late, was diverted or was cancelled on 13% of 254 scheduled flights between September 2025 and August 2026. 5.1% 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.