DL1670

DL1670 (Delta Air Lines) is a multi-stop service on 6 routes, busiest Atlanta to Fort Lauderdale. Of 775 departures recorded from October 2024 to July 2026, 69.6% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January3945▲ 15.4%
February3750▲ 35.1%
March4958▲ 18.4%
April4640▼ 13.0%
May3545▲ 28.6%
June1833▲ 83.3%
July553▲ 960.0%
August–––
September4––
October52–in progress
November38––
December22––
Year to date (Jan–Jul)229324▲ 41.5%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January71.1%80.5%▲ 13.3%
February75.7%72.9%▼ 3.6%
March53.2%69.2%▲ 30.2%
April61.4%75.0%▲ 22.2%
May60.0%75.6%▲ 25.9%
June50.0%59.4%▲ 18.8%
July100.0%48.1%▼ 51.9%
August–––
September100.0%––
October90.0%–in progress
November84.2%––
December50.0%––
Year-to-date average (Jan–Jul)67.3%68.7%▲ 2.0%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January14▲ 300.0%
February02–
March26▲ 200.0%
April20▼ 100.0%
May00–
June01–
July01–
August–––
September0––
October2–in progress
November0––
December0––
Year to date (Jan–Jul)514▲ 180.0%

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 97.3% 754
  • Cancelled 2.7% 21

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

On time, leg by leg

  1. ATL–FLL479 69.4%
  2. FLL–ATL201 61.3%
  3. PVD–DTW34 87.9%
  4. DTW–PVD34 90.9%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 95.0% 0
November 2024 38 38 76.3% 0
December 2024 48 48 64.6% 0
January 2025 39 38 71.1% 1
February 2025 37 37 75.7% 0
March 2025 49 47 53.2% 2
April 2025 46 44 61.4% 2
May 2025 35 35 60.0% 0
June 2025 18 18 50.0% 0
July 2025 5 5 100.0% 0
September 2025 4 4 100.0% 0
October 2025 52 50 90.0% 2
November 2025 38 38 84.2% 0
December 2025 22 22 50.0% 0
January 2026 45 41 80.5% 4
February 2026 50 48 72.9% 2
March 2026 58 52 69.2% 6
April 2026 40 40 75.0% 0
May 2026 45 45 75.6% 0
June 2026 33 32 59.4% 1
July 2026 53 52 48.1% 1

How to read this chart

Loading the guide…