CMH → ATL

DL2909

DL2909 (Delta Air Lines) flies Columbus to Atlanta. Of 603 departures recorded from October 2024 to July 2026, 92.8% left on time, according to the US BTS.

Recorded departures by month

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January3114▼ 54.8%
February2811▼ 60.7%
March3124▼ 22.6%
April30300.0%
May3126▼ 16.1%
June3029▼ 3.3%
July31310.0%
August31––
September30––
October31–in progress
November30––
December27––
Year to date (Jan–Jul)212165▼ 22.2%

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
January83.3%92.3%▲ 10.8%
February89.3%90.9%▲ 1.8%
March96.8%87.5%▼ 9.6%
April90.0%93.1%▲ 3.4%
May93.6%100.0%▲ 6.9%
June86.2%93.1%▲ 8.0%
July86.7%87.1%▲ 0.5%
August96.6%––
September96.7%––
October100.0%–in progress
November96.7%––
December96.3%––
Year-to-date average (Jan–Jul)89.4%92.0%▲ 2.9%

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–
April01–
May00–
June10▼ 100.0%
July10▼ 100.0%
August2––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)32▼ 33.3%

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.

Cancellation share

  • Not cancelled 98.8% 596
  • Cancelled 1.2% 7

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
CMH ATL John Glenn Columbus International Airport – Hartsfield Jackson Atlanta International Airport 720 3.1 min 92.8% 603
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 18 18 88.9% 0
November 2024 28 28 100.0% 0
December 2024 31 31 93.6% 0
January 2025 31 30 83.3% 1
February 2025 28 28 89.3% 0
March 2025 31 31 96.8% 0
April 2025 30 30 90.0% 0
May 2025 31 31 93.6% 0
June 2025 30 29 86.2% 1
July 2025 31 30 86.7% 1
August 2025 31 29 96.6% 2
September 2025 30 30 96.7% 0
October 2025 31 31 100.0% 0
November 2025 30 30 96.7% 0
December 2025 27 27 96.3% 0
January 2026 14 13 92.3% 1
February 2026 11 11 90.9% 0
March 2026 24 24 87.5% 0
April 2026 30 29 93.1% 1
May 2026 26 26 100.0% 0
June 2026 29 29 93.1% 0
July 2026 31 31 87.1% 0

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