ON TIMEBOARD

DL 1222 on time

Delta Air Lines 1222: Atlanta to San Antonio at 8:52 p.m. (past 12 months)

On time
71%
132 flights · likely 63–78%
Cancelled
2.3%
of scheduled flights
Typical arrival
−2 min
median vs schedule
When late
+68 min
average delay
Similar flights
73%
DL, same route & hour

About 1 in 3 DL 1222 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (29%); 2.3% were cancelled. The typical flight landed 2 minutes early.

DL 1222: ATL → SAT

Scheduled to leave Atlanta at 8:52 p.m. local time. Over the past year it arrived on time 71% of the time (132 flights), in line with other DL flights on the route at that hour (73%). Last seen in the data Aug 29, 2026.

Month by month

30%65%100%Jul 2025: 50% on time (20 flights)50JulAug 2025: too few flights (14 flights)AugSep 2025: too few flights (13 flights)SepOct 2025: 94% on time (16 flights)94OctNov 2025: too few flights (10 flights)NovDec 2025: too few flights (9 flights)DecMar 2026: too few flights (14 flights)MarApr 2026: 82% on time (17 flights)82AprMay 2026: 71% on time (17 flights)71MayJun 2026: 60% on time (15 flights)60JunJul 2026: 38% on time (16 flights)38JulAug 2026: too few flights (5 flights)Aug

By day of week

DayFlightsOn time
Monday3269%
Thursday3174%
Friday3177%
Saturday5—
Sunday3361%

Why it was late

Late inbound plane 42%Airline (crew, maintenance, ops) 40%Air traffic & airport (NAS) 18%

All flights ATL → SAT · Connecting off DL 1222? Check the risk

Questions

How often is DL 1222 from ATL to SAT late?

Delta Air Lines 1222 from Atlanta, GA to San Antonio, TX arrived 15 or more minutes late, was diverted or was cancelled on 29% of 132 scheduled flights between September 2025 and August 2026. 2.3% 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.