DL1720

DL1720 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to Tampa. Of 1,036 departures recorded from October 2024 to July 2026, 73.7% 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
January2760▲ 122.2%
February1456▲ 300.0%
March1862▲ 244.4%
April1658▲ 262.5%
May5437▼ 31.5%
June6030▼ 50.0%
July6231▼ 50.0%
August62––
September58––
October61–in progress
November58––
December56––
Year to date (Jan–Jul)251334▲ 33.1%

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
January57.7%84.8%▲ 46.9%
February64.3%83.9%▲ 30.5%
March52.9%86.2%▲ 62.8%
April64.3%79.3%▲ 23.4%
May85.2%73.0%▼ 14.3%
June60.0%70.0%▲ 16.7%
July43.6%41.9%▼ 3.7%
August71.0%––
September86.2%––
October73.8%–in progress
November80.7%––
December59.3%––
Year-to-date average (Jan–Jul)61.1%74.2%▲ 21.3%

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–
March14▲ 300.0%
April20▼ 100.0%
May00–
June00–
July00–
August0––
September0––
October0–in progress
November1––
December2––
Year to date (Jan–Jul)45▲ 25.0%

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 98.8% 1,024
  • Cancelled 1.2% 12

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

On time, leg by leg

  1. ATL–TPA596 73.0%
  2. TPA–ATL440 74.8%

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 90.0% 0
November 2024 60 60 86.7% 0
December 2024 56 56 80.4% 0
January 2025 27 26 57.7% 1
February 2025 14 14 64.3% 0
March 2025 18 17 52.9% 1
April 2025 16 14 64.3% 2
May 2025 54 54 85.2% 0
June 2025 60 60 60.0% 0
July 2025 62 62 43.6% 0
August 2025 62 62 71.0% 0
September 2025 58 58 86.2% 0
October 2025 61 61 73.8% 0
November 2025 58 57 80.7% 1
December 2025 56 54 59.3% 2
January 2026 60 59 84.8% 1
February 2026 56 56 83.9% 0
March 2026 62 58 86.2% 4
April 2026 58 58 79.3% 0
May 2026 37 37 73.0% 0
June 2026 30 30 70.0% 0
July 2026 31 31 41.9% 0

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