DL856

DL856 (Delta Air Lines) is a multi-stop service on 4 routes, busiest New York to Dallas-Fort Worth. Of 747 departures recorded from October 2024 to July 2026, 73.0% 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 periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–27–
February–38–
March4054▲ 35.0%
April3738▲ 2.7%
May4948▼ 2.0%
June3252▲ 62.5%
July2754▲ 100.0%
August26––
September26––
October27–in progress
November25––
December29––

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 periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January–84.6%–
February–82.4%–
March79.5%70.0%▼ 11.9%
April86.1%76.3%▼ 11.4%
May67.4%75.0%▲ 11.4%
June35.5%76.5%▲ 115.5%
July43.5%86.0%▲ 97.8%
August60.0%––
September65.4%––
October56.0%–in progress
November56.0%––
December51.7%––

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 periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–1–
February–4–
March14▲ 300.0%
April10▼ 100.0%
May00–
June110.0%
July440.0%
August1––
September0––
October2–in progress
November0––
December0––

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 96.8% 723
  • Cancelled 3.2% 24

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. LGA–DFW320 85.0%
  2. DFW–LGA243 71.8%
  3. DJT–LGA168 50.6%

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

Legs flown under this number

3
RoutesDistance (km)Avg delay On timeDepartures
LGA DFW LaGuardia Airport – Dallas Fort Worth International Airport 2,231 5.4 min 85.0% 320
DFW LGA Dallas Fort Worth International Airport – LaGuardia Airport 2,231 23.4 min 71.8% 243
DJT LGA President Donald J. Trump International Airport – LaGuardia Airport 1,668 32.5 min 50.6% 168
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 34 34 94.1% 0
November 2024 52 52 86.5% 0
December 2024 32 32 87.5% 0
March 2025 40 39 79.5% 1
April 2025 37 36 86.1% 1
May 2025 49 49 67.4% 0
June 2025 32 31 35.5% 1
July 2025 27 23 43.5% 4
August 2025 26 25 60.0% 1
September 2025 26 26 65.4% 0
October 2025 27 25 56.0% 2
November 2025 25 25 56.0% 0
December 2025 29 29 51.7% 0
January 2026 27 26 84.6% 1
February 2026 38 34 82.4% 4
March 2026 54 50 70.0% 4
April 2026 38 38 76.3% 0
May 2026 48 48 75.0% 0
June 2026 52 51 76.5% 1
July 2026 54 50 86.0% 4

How to read this chart

Loading the guide…