SEA → ATL

DL562

DL562 (Delta Air Lines) flies Seattle to Atlanta. Of 653 departures recorded from October 2024 to July 2026, 86.4% left on time, according to the US BTS.

Recorded departures by month

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January31310.0%
February28280.0%
March31310.0%
April2830▲ 7.1%
May3031▲ 3.3%
June30300.0%
July31310.0%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)209212▲ 1.4%

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
January69.0%73.3%▲ 6.3%
February85.7%85.7%0.0%
March93.6%83.9%▼ 10.3%
April92.6%93.3%▲ 0.8%
May93.3%80.7%▼ 13.6%
June83.3%93.3%▲ 12.0%
July80.7%87.1%▲ 8.0%
August93.6%––
September93.3%––
October87.1%–in progress
November89.7%––
December63.3%––
Year-to-date average (Jan–Jul)85.4%85.3%▼ 0.1%

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
January21▼ 50.0%
February00–
March00–
April10▼ 100.0%
May00–
June00–
July00–
August0––
September0––
October0–in progress
November1––
December1––
Year to date (Jan–Jul)31▼ 66.7%

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.

Cancellation share

  • Not cancelled 99.1% 647
  • Cancelled 0.9% 6

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
SEA ATL Seattle–Tacoma International Airport – Hartsfield Jackson Atlanta International Airport 3,505 19.2 min 86.4% 653
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 28 28 100.0% 0
December 2024 31 31 90.3% 0
January 2025 31 29 69.0% 2
February 2025 28 28 85.7% 0
March 2025 31 31 93.6% 0
April 2025 28 27 92.6% 1
May 2025 30 30 93.3% 0
June 2025 30 30 83.3% 0
July 2025 31 31 80.7% 0
August 2025 31 31 93.6% 0
September 2025 30 30 93.3% 0
October 2025 31 31 87.1% 0
November 2025 30 29 89.7% 1
December 2025 31 30 63.3% 1
January 2026 31 30 73.3% 1
February 2026 28 28 85.7% 0
March 2026 31 31 83.9% 0
April 2026 30 30 93.3% 0
May 2026 31 31 80.7% 0
June 2026 30 30 93.3% 0
July 2026 31 31 87.1% 0

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