DL669

DL669 (Delta Air Lines) is a multi-stop service on 5 routes, busiest New York to San Francisco. Of 705 departures recorded from October 2024 to July 2026, 79.4% 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
January4631▼ 32.6%
February4426▼ 40.9%
March5831▼ 46.6%
April4330▼ 30.2%
May31310.0%
June2730▲ 11.1%
July2731▲ 14.8%
August29––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)276210▼ 23.9%

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
January84.8%79.3%▼ 6.5%
February84.1%91.7%▲ 9.0%
March91.4%77.4%▼ 15.3%
April93.0%80.0%▼ 14.0%
May87.1%83.9%▼ 3.7%
June48.2%83.3%▲ 73.1%
July44.4%79.3%▲ 78.5%
August55.2%––
September70.0%––
October74.2%–in progress
November66.7%––
December80.0%––
Year-to-date average (Jan–Jul)76.1%82.1%▲ 7.9%

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
January02–
February02–
March00–
April00–
May00–
June00–
July02–
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)06

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 99.0% 698
  • Cancelled 1.0% 7

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. JFK–SFO358 89.8%
  2. SFO–JFK317 67.4%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
JFK SFO John F. Kennedy International Airport – San Francisco International Airport 4,152 2.8 min 89.8% 358
SFO JFK San Francisco International Airport – John F. Kennedy International Airport 4,152 22.8 min 67.4% 317
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 17 17 94.1% 0
November 2024 27 27 92.6% 0
December 2024 24 24 87.5% 0
January 2025 46 46 84.8% 0
February 2025 44 44 84.1% 0
March 2025 58 58 91.4% 0
April 2025 43 43 93.0% 0
May 2025 31 31 87.1% 0
June 2025 27 27 48.2% 0
July 2025 27 27 44.4% 0
August 2025 29 29 55.2% 0
September 2025 30 30 70.0% 0
October 2025 31 31 74.2% 0
November 2025 30 30 66.7% 0
December 2025 31 30 80.0% 1
January 2026 31 29 79.3% 2
February 2026 26 24 91.7% 2
March 2026 31 31 77.4% 0
April 2026 30 30 80.0% 0
May 2026 31 31 83.9% 0
June 2026 30 30 83.3% 0
July 2026 31 29 79.3% 2

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