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Flight Reliability

DL 1258 · Delta Air Lines

Austin → Atlanta (AUS–ATL)

93
Nerd Approved
WanderNerd Reliability Score
93%
Arrive within 15 minutes
7 min early
Average arrival delay
1.9%
Cancelled
15 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

DL 1258 arrived on time 96% of the time on Wednesdays. On Sundays: 87%.

Better than the AUS–ATL route average.

DL 1258 arrived on time 93% of the time, versus 82% across the AUS–ATL route.

Better than the Delta Air Lines network average.

DL 1258 arrived on time 93% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon94%(49 flights)
  • Tue90%(52 flights)
  • Wed96%(52 flights)
  • Thu96%(52 flights)
  • Fri96%(52 flights)
  • Sat92%(49 flights)
  • Sun87%(52 flights)
On-time trend by month
100%
May

Jun 86% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202593%30
August 2025100%31
September 202593%30
October 202597%31
November 202593%30
December 202580%30
January 202693%28
February 2026100%28
March 202683%30
April 202697%30
May 2026100%31
Departures on time
95%
Diverted
0%
Flights flown
358
Months covered
12

Same route, other flights

Keep nerding

Based on 365 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.