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Flight Reliability

DL 2618 · Delta Air Lines

Austin → Salt Lake City (AUS–SLC)

100
Nerd Approved
WanderNerd Reliability Score
95%
Arrive within 15 minutes
2 min early
Average arrival delay
0.8%
Cancelled
12 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Thursday is the weak spot.

DL 2618 arrived on time 100% of the time on Fridays. On Thursdays: 92%.

Better than the AUS–SLC route average.

DL 2618 arrived on time 95% of the time, versus 84% across the AUS–SLC route.

Better than the Delta Air Lines network average.

DL 2618 arrived on time 95% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon96%(50 flights)
  • Tue96%(52 flights)
  • Wed94%(52 flights)
  • Thu92%(51 flights)
  • Fri100%(52 flights)
  • Sat92%(52 flights)
  • Sun93%(53 flights)
On-time trend by month
94%
May

Jun 93% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202590%30
August 202597%31
September 2025100%30
October 2025100%31
November 202597%30
December 202597%31
January 202693%30
February 202689%28
March 202690%30
April 202697%30
May 202694%31
Departures on time
94%
Diverted
0%
Flights flown
362
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.