ON TIMEBOARD

DL 1170 on time

Delta Air Lines 1170: Atlanta to Austin at 6:59 p.m. (past 12 months)

On time
72%
319 flights · likely 67–77%
Cancelled
1.3%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+65 min
average delay
Similar flights
77%
DL, same route & hour

About 1 in 4 DL 1170 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (28%); 1.3% were cancelled. The typical flight landed 5 minutes early.

DL 1170: ATL → AUS

Scheduled to leave Atlanta at 6:59 p.m. local time. Over the past year it arrived on time 72% of the time (319 flights), worse than other DL flights on the route at that hour (77%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 90% on time (31 flights)90OctNov 2025: 79% on time (28 flights)79NovDec 2025: 61% on time (31 flights)61DecJan 2026: 68% on time (22 flights)68JanFeb 2026: too few flights (14 flights)FebMar 2026: 67% on time (18 flights)67MarApr 2026: 74% on time (23 flights)74AprMay 2026: 80% on time (30 flights)80MayJun 2026: 60% on time (30 flights)60JunJul 2026: 52% on time (31 flights)52JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday5372%
Tuesday4080%
Wednesday4085%
Thursday5175%
Friday5165%
Saturday3574%
Sunday4959%

Why it was late

Airline (crew, maintenance, ops) 40%Late inbound plane 40%Air traffic & airport (NAS) 14%Severe weather 6%

All flights ATL → AUS · Connecting off DL 1170? Check the risk

Questions

How often is DL 1170 from ATL to AUS late?

Delta Air Lines 1170 from Atlanta, GA to Austin, TX arrived 15 or more minutes late, was diverted or was cancelled on 28% of 319 scheduled flights between September 2025 and August 2026. 1.3% 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.