DL1311

DL1311 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to West Palm Beach. Of 1,269 departures recorded from October 2024 to July 2026, 88.7% 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
January61610.0%
February56560.0%
March62620.0%
April60600.0%
May62620.0%
June60600.0%
July62620.0%
August62––
September60––
October62–in progress
November60––
December59––
Year to date (Jan–Jul)4234230.0%

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
January79.7%91.4%▲ 14.7%
February83.9%94.6%▲ 12.8%
March91.9%75.4%▼ 18.0%
April86.7%87.9%▲ 1.5%
May87.1%96.6%▲ 10.8%
June85.0%88.3%▲ 3.9%
July91.9%95.2%▲ 3.5%
August91.9%––
September93.3%––
October91.9%–in progress
November88.3%––
December77.4%––
Year-to-date average (Jan–Jul)86.6%89.9%▲ 3.8%

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
January23▲ 50.0%
February00–
March01–
April02–
May04–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December6––
Year to date (Jan–Jul)210▲ 400.0%

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 98.6% 1,251
  • Cancelled 1.4% 18

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

On time, leg by leg

  1. ATL–DJT649 90.3%
  2. DJT–ATL620 86.9%

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 97.5% 0
November 2024 39 39 89.7% 0
December 2024 41 41 85.4% 0
January 2025 61 59 79.7% 2
February 2025 56 56 83.9% 0
March 2025 62 62 91.9% 0
April 2025 60 60 86.7% 0
May 2025 62 62 87.1% 0
June 2025 60 60 85.0% 0
July 2025 62 62 91.9% 0
August 2025 62 62 91.9% 0
September 2025 60 60 93.3% 0
October 2025 62 62 91.9% 0
November 2025 60 60 88.3% 0
December 2025 59 53 77.4% 6
January 2026 61 58 91.4% 3
February 2026 56 56 94.6% 0
March 2026 62 61 75.4% 1
April 2026 60 58 87.9% 2
May 2026 62 58 96.6% 4
June 2026 60 60 88.3% 0
July 2026 62 62 95.2% 0

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