ON TIMEBOARD

DL 1073 on time

Delta Air Lines 1073: San Antonio to Atlanta at 5:20 a.m. (past 12 months)

On time
92%
365 flights · likely 89–94%
Cancelled
1.9%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+110 min
average delay
Similar flights
92%
DL, same route & hour

About 1 in 12 DL 1073 flights from San Antonio arrived 15+ minutes late, diverted or cancelled over the past year (8%); 1.9% were cancelled. The typical flight landed 10 minutes early.

DL 1073: SAT → ATL

Scheduled to leave San Antonio at 5:20 a.m. local time. Over the past year it arrived on time 92% of the time (365 flights), in line with other DL flights on the route at that hour (92%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 97% on time (30 flights)97SepOct 2025: 97% on time (31 flights)97OctNov 2025: 97% on time (30 flights)97NovDec 2025: 87% on time (31 flights)87DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 96% on time (28 flights)96FebMar 2026: 90% on time (31 flights)90MarApr 2026: 93% on time (30 flights)93AprMay 2026: 94% on time (31 flights)94MayJun 2026: 90% on time (30 flights)90JunJul 2026: 84% on time (31 flights)84JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday5391%
Tuesday5288%
Wednesday5296%
Thursday5294%
Friday5294%
Saturday5288%
Sunday5290%

Why it was late

Airline (crew, maintenance, ops) 76%Air traffic & airport (NAS) 14%Late inbound plane 8%Severe weather 2%

All flights SAT → ATL · Connecting off DL 1073? Check the risk

Questions

How often is DL 1073 from SAT to ATL late?

Delta Air Lines 1073 from San Antonio, TX to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 8% of 365 scheduled flights between September 2025 and August 2026. 1.9% 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.