DL3165

DL3165 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Columbus to Atlanta. Of 718 departures recorded from October 2024 to July 2026, 85.8% 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
January62––
February56––
March62––
April60––
May6225▼ 59.7%
June3730▼ 18.9%
July31310.0%
August31––
September30––
October31–in progress
November8––
December–––

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
January84.8%––
February67.9%––
March85.5%––
April86.7%––
May83.9%84.0%▲ 0.2%
June83.3%93.3%▲ 12.0%
July90.3%83.9%▼ 7.1%
August96.7%––
September83.3%––
October100.0%–in progress
November87.5%––
December–––

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
January3––
February0––
March0––
April0––
May00–
June10▼ 100.0%
July00–
August1––
September0––
October0–in progress
November0––
December–––

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 99.3% 713
  • Cancelled 0.7% 5

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

On time, leg by leg

  1. CMH–ATL240 90.3%
  2. SDF–ATL239 81.9%
  3. ATL–SDF239 85.2%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 40 40 82.5% 0
November 2024 60 60 91.7% 0
December 2024 62 62 87.1% 0
January 2025 62 59 84.8% 3
February 2025 56 56 67.9% 0
March 2025 62 62 85.5% 0
April 2025 60 60 86.7% 0
May 2025 62 62 83.9% 0
June 2025 37 36 83.3% 1
July 2025 31 31 90.3% 0
August 2025 31 30 96.7% 1
September 2025 30 30 83.3% 0
October 2025 31 31 100.0% 0
November 2025 8 8 87.5% 0
May 2026 25 25 84.0% 0
June 2026 30 30 93.3% 0
July 2026 31 31 83.9% 0

How to read this chart

Loading the guide…