DL1229

DL1229 (Delta Air Lines) is a multi-stop service on 7 routes, busiest Atlanta to Fort Lauderdale. Of 697 departures recorded from October 2024 to July 2026, 71.2% 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
January31310.0%
February28280.0%
March31310.0%
April30300.0%
May31310.0%
June30300.0%
July31310.0%
August20––
September22––
October49–in progress
November52––
December50––
Year to date (Jan–Jul)2122120.0%

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
January64.5%73.3%▲ 13.7%
February60.7%92.9%▲ 53.0%
March62.1%77.8%▲ 25.3%
April66.7%80.0%▲ 20.0%
May61.3%71.0%▲ 15.8%
June55.2%83.3%▲ 51.0%
July43.3%54.8%▲ 26.6%
August60.0%––
September77.3%––
October91.8%–in progress
November86.5%––
December60.0%––
Year-to-date average (Jan–Jul)59.1%76.2%▲ 28.8%

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
January01–
February00–
March24▲ 100.0%
April30▼ 100.0%
May00–
June10▼ 100.0%
July10▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)75▼ 28.6%

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 98.3% 685
  • Cancelled 1.7% 12

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

On time, leg by leg

  1. ATL–FLL526 68.5%
  2. DTW–RSW74 82.4%
  3. RSW–DTW63 77.8%

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 20 20 90.0% 0
November 2024 29 29 82.8% 0
December 2024 31 31 61.3% 0
January 2025 31 31 64.5% 0
February 2025 28 28 60.7% 0
March 2025 31 29 62.1% 2
April 2025 30 27 66.7% 3
May 2025 31 31 61.3% 0
June 2025 30 29 55.2% 1
July 2025 31 30 43.3% 1
August 2025 20 20 60.0% 0
September 2025 22 22 77.3% 0
October 2025 49 49 91.8% 0
November 2025 52 52 86.5% 0
December 2025 50 50 60.0% 0
January 2026 31 30 73.3% 1
February 2026 28 28 92.9% 0
March 2026 31 27 77.8% 4
April 2026 30 30 80.0% 0
May 2026 31 31 71.0% 0
June 2026 30 30 83.3% 0
July 2026 31 31 54.8% 0

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