DL534

DL534 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Honolulu to Salt Lake City. Of 560 departures recorded from October 2024 to July 2026, 89.2% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January2623▼ 11.5%
February2820▼ 28.6%
March3129▼ 6.5%
April30300.0%
May31310.0%
June30300.0%
July31310.0%
August31––
September30––
October5–in progress
November16––
December27––
Year to date (Jan–Jul)207194▼ 6.3%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January100.0%73.9%▼ 26.1%
February82.1%80.0%▼ 2.6%
March87.1%89.3%▲ 2.5%
April93.3%100.0%▲ 7.1%
May93.6%96.7%▲ 3.3%
June93.1%85.7%▼ 7.9%
July93.3%92.3%▼ 1.1%
August83.9%––
September85.7%––
October100.0%–in progress
November93.8%––
December85.2%––
Year-to-date average (Jan–Jul)91.8%88.3%▼ 3.8%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February00–
March01–
April00–
May01–
June12▲ 100.0%
July15▲ 400.0%
August0––
September2––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)29▲ 350.0%

according to the US BTS · October 2024 → July 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 97.7% 547
  • Cancelled 2.3% 13

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
HNL SLC Daniel K. Inouye International Airport – Salt Lake City International Airport 4,813 5.6 min 89.2% 552
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 13 13 84.6% 0
November 2024 19 19 94.7% 0
December 2024 18 18 72.2% 0
January 2025 26 26 100.0% 0
February 2025 28 28 82.1% 0
March 2025 31 31 87.1% 0
April 2025 30 30 93.3% 0
May 2025 31 31 93.6% 0
June 2025 30 29 93.1% 1
July 2025 31 30 93.3% 1
August 2025 31 31 83.9% 0
September 2025 30 28 85.7% 2
October 2025 5 5 100.0% 0
November 2025 16 16 93.8% 0
December 2025 27 27 85.2% 0
January 2026 23 23 73.9% 0
February 2026 20 20 80.0% 0
March 2026 29 28 89.3% 1
April 2026 30 30 100.0% 0
May 2026 31 30 96.7% 1
June 2026 30 28 85.7% 2
July 2026 31 26 92.3% 5

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