DL959

DL959 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to West Palm Beach. Of 1,060 departures recorded from October 2024 to July 2026, 69.9% 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
January3347▲ 42.4%
February3242▲ 31.3%
March5859▲ 1.7%
April60600.0%
May6062▲ 3.3%
June6036▼ 40.0%
July6131▼ 49.2%
August50––
September42––
October47–in progress
November40––
December50––
Year to date (Jan–Jul)364337▼ 7.4%

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
January59.4%67.4%▲ 13.5%
February56.3%83.3%▲ 48.1%
March69.0%62.7%▼ 9.1%
April69.0%80.0%▲ 16.0%
May65.0%85.0%▲ 30.8%
June44.8%91.4%▲ 103.9%
July47.5%58.1%▲ 22.1%
August72.0%––
September92.9%––
October74.5%–in progress
November80.0%––
December62.5%––
Year-to-date average (Jan–Jul)58.7%75.4%▲ 28.5%

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
January110.0%
February00–
March00–
April20▼ 100.0%
May02–
June21▼ 50.0%
July00–
August0––
September0––
October0–in progress
November0––
December2––
Year to date (Jan–Jul)54▼ 20.0%

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 99.0% 1,049
  • Cancelled 1.0% 11

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. ATL–DJT649 72.7%
  2. DJT–ATL411 65.4%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

2
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 32 32 87.5% 0
November 2024 47 47 83.0% 0
December 2024 51 51 60.8% 0
January 2025 33 32 59.4% 1
February 2025 32 32 56.3% 0
March 2025 58 58 69.0% 0
April 2025 60 58 69.0% 2
May 2025 60 60 65.0% 0
June 2025 60 58 44.8% 2
July 2025 61 61 47.5% 0
August 2025 50 50 72.0% 0
September 2025 42 42 92.9% 0
October 2025 47 47 74.5% 0
November 2025 40 40 80.0% 0
December 2025 50 48 62.5% 2
January 2026 47 46 67.4% 1
February 2026 42 42 83.3% 0
March 2026 59 59 62.7% 0
April 2026 60 60 80.0% 0
May 2026 62 60 85.0% 2
June 2026 36 35 91.4% 1
July 2026 31 31 58.1% 0

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