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Flight Reliability

DL 345 · Delta Air Lines

Seattle → Lihue (SEA–LIH)

79
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
8 min
Average arrival delay
1.6%
Cancelled
4 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Skip Tuesday if you can.

DL 345 arrived on time 80% of the time on Thursdays. On Tuesdays: 73%.

A bit ahead of the SEA–LIH route.

DL 345 arrived on time 77% of the time, versus 73% across the SEA–LIH route.

A bit behind the Delta Air Lines network.

DL 345 arrived on time 77% of the time, versus 81% across the Delta Air Lines network.

Trending in the right direction.

DL 345 arrived on time 84% of the time over the last three months in the data, compared with 58% in the three months before that.

The breakdown

On-time by weekday
  • Mon78%(51 flights)
  • Tue73%(52 flights)
  • Wed77%(51 flights)
  • Thu80%(51 flights)
  • Fri74%(50 flights)
  • Sat77%(52 flights)
  • Sun79%(52 flights)
On-time by departure window
  • 12–3 PM77%(108 flights)
  • 3–6 PM77%(251 flights)
On-time trend by month
94%
May

Jun 83% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202584%31
August 202581%31
September 202583%30
October 202590%31
November 202570%30
December 202546%28
January 202658%31
February 202670%27
March 202666%29
April 202693%30
May 202694%31
Departures on time
82%
Diverted
0%
Flights flown
359
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.