DL1088

This is not a forecast

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

74.4%

DL1088, operated by Delta Air Lines, flies 2 different airport pairs — it is a multi-leg service. Across all 1,326 recorded departures, 74.4% left on time; the legs differ and are listed below.

domestic flights only sample 1,326 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.

74.4%on time
17.5 minaverage delay
0.8%cancelled
1,326recorded 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 99.2% 1,316
  • Cancelled 0.8% 10

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 95.2% 0
November 2024 58 58 72.4% 0
December 2024 62 62 64.5% 0
January 2025 62 62 74.2% 0
February 2025 56 56 62.5% 0
March 2025 62 62 75.8% 0
April 2025 60 60 88.3% 0
May 2025 62 62 74.2% 0
June 2025 60 58 79.3% 2
July 2025 62 62 75.8% 0
August 2025 62 60 80.0% 2
September 2025 60 60 86.7% 0
October 2025 62 62 79.0% 0
November 2025 58 58 84.5% 0
December 2025 62 60 60.0% 2
January 2026 62 60 65.0% 2
February 2026 56 56 82.1% 0
March 2026 62 62 80.7% 0
April 2026 60 60 61.7% 0
May 2026 62 60 50.0% 2
June 2026 54 54 53.7% 0

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
SLC SFO Salt Lake City International Airport – San Francisco International Airport 962 13.2 min 76.7% 666
SFO SLC San Francisco International Airport – Salt Lake City International Airport 962 21.9 min 72.1% 660