DL2636

DL2636 (Delta Air Lines) is a multi-stop service on 11 routes, busiest Seattle to San Francisco. Of 250 departures recorded from November 2024 to July 2026, 82.9% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods11 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–––
February–––
March–21–
April410▲ 150.0%
May2––
June476▼ 87.2%
July128▼ 33.3%
August–––
September–––
October16–in progress
November48––
December38––

according to the US BTS · November 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods11 periods
PeriodOn time 2025On time 2026Change vs last year
January–––
February–––
March–85.7%–
April100.0%88.9%▼ 11.1%
May100.0%––
June87.2%83.3%▼ 4.5%
July91.7%62.5%▼ 31.8%
August–––
September–––
October81.3%–in progress
November87.0%––
December75.0%––

according to the US BTS · November 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · November 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods11 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–––
February–––
March–0–
April01–
May0––
June00–
July00–
August–––
September–––
October0–in progress
November2––
December2––

according to the US BTS · November 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 98.0% 245
  • Cancelled 2.0% 5

Share of all recorded flights in the period, all legs. · Nov 11, 2024 → Jul 5, 2026

On time, leg by leg

  1. SFO–SEA51 81.6%
  2. SEA–SFO51 81.6%
  3. MCO–ATL38 76.3%
  4. LEX–ATL31 86.7%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
November 2024 20 20 75.0% 0
December 2024 18 18 77.8% 0
April 2025 4 4 100.0% 0
May 2025 2 2 100.0% 0
June 2025 47 47 87.2% 0
July 2025 12 12 91.7% 0
October 2025 16 16 81.3% 0
November 2025 48 46 87.0% 2
December 2025 38 36 75.0% 2
March 2026 21 21 85.7% 0
April 2026 10 9 88.9% 1
June 2026 6 6 83.3% 0
July 2026 8 8 62.5% 0

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