DL2508

This is not a forecast

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

90.9%

DL2508, operated by Delta Air Lines, flies 2 different airport pairs — it is a multi-leg service. Across all 1,286 recorded departures, 90.9% left on time; the legs differ and are listed below.

domestic flights only sample 1,286 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.

90.9%on time
1.7 minaverage delay
0.6%cancelled
1,286recorded 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 99.4% 1,278
  • Cancelled 0.6% 8

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 58 94.8% 2
October 2024 62 62 90.3% 0
November 2024 60 60 91.7% 0
December 2024 62 62 79.0% 0
January 2025 62 62 83.9% 0
February 2025 44 44 88.6% 0
March 2025 56 56 96.4% 0
April 2025 60 60 91.7% 0
May 2025 62 62 91.9% 0
June 2025 60 60 88.3% 0
July 2025 62 62 95.2% 0
August 2025 62 60 93.3% 2
September 2025 60 60 96.7% 0
October 2025 56 56 83.9% 0
November 2025 50 50 86.0% 0
December 2025 58 58 87.9% 0
January 2026 62 62 90.3% 0
February 2026 44 44 95.5% 0
March 2026 62 60 83.3% 2
April 2026 60 60 93.3% 0
May 2026 62 62 100.0% 0
June 2026 60 58 96.6% 2

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
SAN SEA San Diego International Airport – Seattle–Tacoma International Airport 1,692 4.1 min 89.2% 643
SEA SAN Seattle–Tacoma International Airport – San Diego International Airport 1,692 -0.8 min 92.5% 643