ON TIMEBOARD

DL 1397 on time

Delta Air Lines 1397: Atlanta to Austin at 2:15 p.m.; Austin to Atlanta at 5:00 p.m. (past 12 months). Figures below the title are for ATL → AUS, its busiest leg

On time
79%
360 flights · likely 74–83%
Cancelled
1.4%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+44 min
average delay
Similar flights
79%
DL, same route & hour

About 1 in 5 DL 1397 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (21%); 1.4% were cancelled. The typical flight landed 10 minutes early.

DL 1397: ATL → AUS

Scheduled to leave Atlanta at 2:15 p.m. local time. Over the past year it arrived on time 79% of the time (360 flights), in line with other DL flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 80% on time (30 flights)80SepOct 2025: 84% on time (31 flights)84OctNov 2025: 90% on time (29 flights)90NovDec 2025: 68% on time (28 flights)68DecJan 2026: 70% on time (30 flights)70JanFeb 2026: 93% on time (28 flights)93FebMar 2026: 90% on time (31 flights)90MarApr 2026: 83% on time (30 flights)83AprMay 2026: 77% on time (31 flights)77MayJun 2026: 70% on time (30 flights)70JunJul 2026: 65% on time (31 flights)65JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday5374%
Tuesday5281%
Wednesday5088%
Thursday4984%
Friday5279%
Saturday5279%
Sunday5269%

Why it was late

Airline (crew, maintenance, ops) 44%Air traffic & airport (NAS) 29%Late inbound plane 22%Severe weather 4%

All flights ATL → AUS · Connecting off DL 1397? Check the risk

DL 1397: AUS → ATL

Scheduled to leave Austin at 5:00 p.m. local time. Over the past year it arrived on time 79% of the time (346 flights), worse than other DL flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 81% on time (31 flights)81OctNov 2025: 83% on time (29 flights)83NovDec 2025: 74% on time (19 flights)74DecJan 2026: 80% on time (25 flights)80JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 77% on time (31 flights)77MarApr 2026: 83% on time (30 flights)83AprMay 2026: 71% on time (31 flights)71MayJun 2026: 73% on time (30 flights)73JunJul 2026: 58% on time (31 flights)58JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5173%
Tuesday5090%
Wednesday5090%
Thursday4980%
Friday5074%
Saturday4783%
Sunday4963%

Why it was late

Late inbound plane 51%Air traffic & airport (NAS) 39%Airline (crew, maintenance, ops) 9%Severe weather 1%

All flights AUS → ATL · Connecting off DL 1397? Check the risk

Questions

How often is DL 1397 from ATL to AUS late?

Delta Air Lines 1397 from Atlanta, GA to Austin, TX arrived 15 or more minutes late, was diverted or was cancelled on 21% of 360 scheduled flights between September 2025 and August 2026. 1.4% were cancelled.

How often is DL 1397 from AUS to ATL late?

Delta Air Lines 1397 from Austin, TX to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 21% of 346 scheduled flights between September 2025 and August 2026. 1.2% 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.