DL3159

DL3159 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Atlanta to Nashville. Of 737 departures recorded from October 2024 to July 2026, 85.1% left on time, according to the US BTS.

Recorded departures by month

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

Months without data are left blank.

The most recent periods14 periods
PeriodDepartures 2025Departures 2026Change vs last year
January6234▼ 45.2%
February5611▼ 80.4%
March62––
April6036▼ 40.0%
May6137▼ 39.3%
June1454▲ 285.7%
July–62–
August–––
September–––
October––in progress
November3––
December23––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

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

The most recent periods14 periods
PeriodOn time 2025On time 2026Change vs last year
January83.3%75.8%▼ 9.1%
February80.4%100.0%▲ 24.4%
March90.2%––
April93.3%86.1%▼ 7.7%
May83.6%91.4%▲ 9.4%
June64.3%94.4%▲ 46.9%
July–61.7%–
August–––
September–––
October––in progress
November100.0%––
December73.9%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods14 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January21▼ 50.0%
February00–
March1––
April00–
May02–
June00–
July–2–
August–––
September–––
October––in progress
November0––
December0––

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 98.9% 729
  • Cancelled 1.1% 8

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

On time, leg by leg

  1. ATL–BNA403 85.9%
  2. BNA–ATL329 83.7%

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 40 40 100.0% 0
November 2024 60 60 93.3% 0
December 2024 62 62 82.3% 0
January 2025 62 60 83.3% 2
February 2025 56 56 80.4% 0
March 2025 62 61 90.2% 1
April 2025 60 60 93.3% 0
May 2025 61 61 83.6% 0
June 2025 14 14 64.3% 0
November 2025 3 3 100.0% 0
December 2025 23 23 73.9% 0
January 2026 34 33 75.8% 1
February 2026 11 11 100.0% 0
April 2026 36 36 86.1% 0
May 2026 37 35 91.4% 2
June 2026 54 54 94.4% 0
July 2026 62 60 61.7% 2

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