DL2577

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

78.6%

DL2577, operated by Delta Air Lines, flies 2 different airport pairs — it is a multi-leg service. Across all 1,288 recorded departures, 78.6% left on time; the legs differ and are listed below.

domestic flights only sample 1,288 departures · arrival delay, measured at the gate
This number flies several legs

Because this number covers several legs, the headline figure is an average across all of them. Read the leg table for the one you are flying.

78.6%on time
15.4 minaverage delay
1.6%cancelled
1,288recorded departures

These charts combine all legs flown under this number. Changes in the mix of legs can affect the monthly figures; consult the leg table below.

On-time departures by month

All legs combined

On time means departing no more than 15 minutes after schedule. Monthly punctuality uses only non-cancelled flights with a recorded departure delay; flights with missing times are excluded. Each month reflects the records available from the source.

according to us_bts_otp · 2024-09 → 2026-06

Recorded departures by month

All legs combined

according to us_bts_otp · 2024-09 → 2026-06

Cancellation share

  • Not cancelled 98.4% 1,267
  • Cancelled 1.6% 21

Share of all recorded flights over the period shown, including every leg. Not cancelled does not necessarily mean on time.

according to us_bts_otp · 2024-09-01 → 2026-06-30

Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
September 2024 60 60 88.3% 0
October 2024 62 62 90.3% 0
November 2024 40 40 87.5% 0
December 2024 44 44 81.8% 0
January 2025 62 61 68.9% 1
February 2025 56 56 78.6% 0
March 2025 62 62 79.0% 0
April 2025 56 56 82.1% 0
May 2025 62 60 58.3% 2
June 2025 60 59 71.2% 1
July 2025 62 61 75.4% 1
August 2025 62 62 79.0% 0
September 2025 56 56 91.1% 0
October 2025 60 60 85.0% 0
November 2025 60 58 77.6% 2
December 2025 62 59 49.2% 3
January 2026 62 60 68.3% 2
February 2026 56 52 86.5% 4
March 2026 62 62 80.7% 0
April 2026 60 60 93.3% 0
May 2026 62 58 74.1% 4
June 2026 60 59 88.1% 1

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
DTW EWR Detroit Metropolitan Wayne County Airport – Newark Liberty International Airport 784 11.5 min 80.4% 663
EWR DTW Newark Liberty International Airport – Detroit Metropolitan Wayne County Airport 784 19.5 min 76.7% 625