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Flight Reliability

DL 622 · Delta Air Lines

Los Angeles → Austin (LAX–AUS)89% of its flights flew this route. The rest (AUS–LAX) are included in these numbers.

83
Pretty Reliable
WanderNerd Reliability Score
78%
Arrive within 15 minutes
6 min
Average arrival delay
0.8%
Cancelled
9 min early
Median arrival delay

Based on 387 historical flights. Data through May 2026.

What the data says

3–6 PM has a slight edge.

Departures between 3–6 PM arrived on time 79% of the time, against 74% between 12–3 PM.

Saturdays have been rough.

DL 622 arrived on time 89% of the time on Wednesdays and just 62% on Saturdays. That gap is worth planning around.

A bit behind the Delta Air Lines network.

DL 622 arrived on time 78% of the time, versus 81% across the Delta Air Lines network.

Ticking up lately.

DL 622 arrived on time 81% of the time over the last three months in the data, compared with 75% in the three months before that.

The breakdown

On-time by weekday
  • Mon85%(59 flights)
  • Tue83%(59 flights)
  • Wed89%(54 flights)
  • Thu82%(54 flights)
  • Fri70%(57 flights)
  • Sat62%(42 flights)
  • Sun73%(59 flights)
On-time by departure window
  • 12–3 PM74%(78 flights)
  • 3–6 PM79%(263 flights)
  • 6–9 PM79%(43 flights)
On-time trend by month
77%
May

Jun 77% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202568%31
August 202574%31
September 202593%30
October 202581%31
November 202573%26
December 202574%34
January 202671%28
February 202681%21
March 202678%51
April 202688%40
May 202677%31
Departures on time
77%
Diverted
0%
Flights flown
384
Months covered
12

Same route, other flights

Keep nerding

Based on 387 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.