DL409

DL409 (Delta Air Lines) is a multi-stop service on 11 routes, busiest Atlanta to New Orleans. Of 818 departures recorded from October 2024 to July 2026, 85.0% 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
January2622▼ 15.4%
February2816▼ 42.9%
March4652▲ 13.0%
April5660▲ 7.1%
May62620.0%
June402▼ 95.0%
July3522▼ 37.1%
August33––
September30––
October31–in progress
November30––
December33––
Year to date (Jan–Jul)293236▼ 19.5%

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
January76.0%90.9%▲ 19.6%
February89.3%93.8%▲ 5.0%
March73.9%80.8%▲ 9.3%
April85.2%86.2%▲ 1.2%
May85.5%88.7%▲ 3.8%
June80.0%100.0%▲ 25.0%
July80.0%77.3%▼ 3.4%
August100.0%––
September100.0%––
October80.7%–in progress
November86.7%––
December81.3%––
Year-to-date average (Jan–Jul)81.4%88.2%▲ 8.4%

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
January10▼ 100.0%
February00–
March00–
April220.0%
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December1––
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.

This number flies several legs

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

Cancellation share

  • Not cancelled 99.3% 812
  • Cancelled 0.7% 6

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

On time, leg by leg

  1. MSY–ATL237 82.1%
  2. ATL–MSY237 85.5%
  3. JFK–SFO195 89.7%
  4. DFW–SEA50 77.6%
  5. SFO–MSP38 97.4%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 40 40 82.5% 0
November 2024 56 56 82.1% 0
December 2024 36 36 91.7% 0
January 2025 26 25 76.0% 1
February 2025 28 28 89.3% 0
March 2025 46 46 73.9% 0
April 2025 56 54 85.2% 2
May 2025 62 62 85.5% 0
June 2025 40 40 80.0% 0
July 2025 35 35 80.0% 0
August 2025 33 33 100.0% 0
September 2025 30 30 100.0% 0
October 2025 31 31 80.7% 0
November 2025 30 30 86.7% 0
December 2025 33 32 81.3% 1
January 2026 22 22 90.9% 0
February 2026 16 16 93.8% 0
March 2026 52 52 80.8% 0
April 2026 60 58 86.2% 2
May 2026 62 62 88.7% 0
June 2026 2 2 100.0% 0
July 2026 22 22 77.3% 0

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