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Flight Reliability

DL 925 · Delta Air Lines

Anchorage → Seattle (ANC–SEA)99% of its flights flew this route. The rest (ALB–DTW, DTW–ALB) are included in these numbers.

98
Nerd Approved
WanderNerd Reliability Score
91%
Arrive within 15 minutes
9 min early
Average arrival delay
0.3%
Cancelled
20 min early
Median arrival delay

Based on 337 historical flights. Data through May 2026.

What the data says

Skip Monday if you can.

DL 925 arrived on time 96% of the time on Fridays. On Mondays: 87%.

A bit ahead of the ANC–SEA route.

DL 925 arrived on time 91% of the time, versus 85% across the ANC–SEA route.

Better than the Delta Air Lines network average.

DL 925 arrived on time 91% of the time, versus 81% across the Delta Air Lines network.

It basically never cancels.

Out of 337 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon87%(52 flights)
  • Tue92%(52 flights)
  • Wed88%(43 flights)
  • Thu91%(43 flights)
  • Fri96%(52 flights)
  • Sat96%(51 flights)
  • Sun88%(43 flights)
On-time by departure window
  • 12–3 AM91%(334 flights)
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM—(1 flights)
On-time trend by month
97%
May

Jun 100% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%21
July 202594%16
August 202593%27
September 202593%30
October 202597%31
November 202587%30
December 202571%31
January 202690%30
February 202689%28
March 202694%31
April 202697%30
May 202697%31
Departures on time
90%
Diverted
0%
Flights flown
336
Months covered
12

Same route, other flights

Keep nerding

Based on 337 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.