DL1659

This is not a forecast

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

84.5%

DL1659, operated by Delta Air Lines, flies 2 different airport pairs — it is a multi-leg service. Across all 1,298 recorded departures, 84.5% left on time; the legs differ and are listed below.

domestic flights only sample 1,298 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.

84.5%on time
7.7 minaverage delay
0.3%cancelled
1,298recorded 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 99.7% 1,294
  • Cancelled 0.3% 4

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 93.3% 0
October 2024 62 62 79.0% 0
November 2024 60 60 96.7% 0
December 2024 62 62 87.1% 0
January 2025 62 62 88.7% 0
February 2025 56 56 78.6% 0
March 2025 62 62 74.2% 0
April 2025 60 60 80.0% 0
May 2025 62 62 83.9% 0
June 2025 60 60 78.3% 0
July 2025 62 62 88.7% 0
August 2025 62 62 88.7% 0
September 2025 60 60 96.7% 0
October 2025 62 62 80.7% 0
November 2025 60 58 86.2% 2
December 2025 62 62 82.3% 0
January 2026 35 34 85.3% 1
February 2026 45 45 77.8% 0
March 2026 62 62 83.9% 0
April 2026 60 60 93.3% 0
May 2026 62 61 78.7% 1
June 2026 60 60 76.7% 0

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
SLC LAS Salt Lake City International Airport – Harry Reid International Airport 592 7.2 min 85.4% 668
LAS SLC Harry Reid International Airport – Salt Lake City International Airport 592 8.2 min 83.6% 630