DL337

DL337 (Delta Air Lines) is a multi-stop service on 4 routes, busiest Detroit to Orlando. Of 1,002 departures recorded from October 2024 to July 2026, 73.3% 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
January5231▼ 40.4%
February5645▼ 19.6%
March3938▼ 2.6%
April30300.0%
May3156▲ 80.6%
June5360▲ 13.2%
July62620.0%
August59––
September60––
October60–in progress
November58––
December50––
Year to date (Jan–Jul)323322▼ 0.3%

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
January68.6%67.7%▼ 1.3%
February64.3%84.4%▲ 31.3%
March73.7%55.3%▼ 25.0%
April80.0%80.0%0.0%
May77.4%91.1%▲ 17.6%
June66.0%88.3%▲ 33.8%
July62.3%53.2%▼ 14.6%
August71.2%––
September85.0%––
October76.7%–in progress
November86.2%––
December38.0%––
Year-to-date average (Jan–Jul)70.3%74.3%▲ 5.6%

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
January10▼ 100.0%
February00–
March10▼ 100.0%
April00–
May00–
June00–
July10▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)30▼ 100.0%

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 99.7% 999
  • Cancelled 0.3% 3

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

On time, leg by leg

  1. DTW–MCO554 78.7%
  2. MCO–DTW362 63.3%
  3. JFK–SEA70 90.0%

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 95.0% 0
November 2024 29 29 86.2% 0
December 2024 21 21 90.5% 0
January 2025 52 51 68.6% 1
February 2025 56 56 64.3% 0
March 2025 39 38 73.7% 1
April 2025 30 30 80.0% 0
May 2025 31 31 77.4% 0
June 2025 53 53 66.0% 0
July 2025 62 61 62.3% 1
August 2025 59 59 71.2% 0
September 2025 60 60 85.0% 0
October 2025 60 60 76.7% 0
November 2025 58 58 86.2% 0
December 2025 50 50 38.0% 0
January 2026 31 31 67.7% 0
February 2026 45 45 84.4% 0
March 2026 38 38 55.3% 0
April 2026 30 30 80.0% 0
May 2026 56 56 91.1% 0
June 2026 60 60 88.3% 0
July 2026 62 62 53.2% 0

How to read this chart

Loading the guide…