DL673

DL673 (Delta Air Lines) is a multi-stop service on 14 routes, busiest Atlanta to Los Angeles. Of 699 departures recorded from October 2024 to July 2026, 80.7% 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 periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January5233▼ 36.5%
February5645▼ 19.6%
March3930▼ 23.1%
April1528▲ 86.7%
May2631▲ 19.2%
June3054▲ 80.0%
July3162▲ 100.0%
August31––
September8––
October––in progress
November22––
December38––
Year to date (Jan–Jul)249283▲ 13.7%

according to the US BTS · October 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 periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January92.3%68.8%▼ 25.5%
February55.4%81.4%▲ 47.0%
March82.1%85.7%▲ 4.5%
April86.7%89.3%▲ 3.0%
May84.6%87.1%▲ 2.9%
June73.3%77.8%▲ 6.1%
July80.7%79.0%▼ 2.0%
August90.3%––
September87.5%––
October––in progress
November85.7%––
December65.8%––
Year-to-date average (Jan–Jul)79.3%81.3%▲ 2.5%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January01–
February02–
March02–
April00–
May00–
June00–
July00–
August0––
September0––
October––in progress
November1––
December0––
Year to date (Jan–Jul)05

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 99.1% 693
  • Cancelled 0.9% 6

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

On time, leg by leg

  1. ATL–LAX224 86.6%
  2. FLL–MSP79 77.2%
  3. SFO–SEA62 75.8%
  4. SEA–SFO62 69.4%
  5. MIA–DTW62 71.2%
  6. MSP–FLL55 81.8%
  7. ATL–SBA41 70.0%
  8. CLT–MSP36 88.9%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 100.0% 0
November 2024 30 30 90.0% 0
December 2024 18 18 94.4% 0
January 2025 52 52 92.3% 0
February 2025 56 56 55.4% 0
March 2025 39 39 82.1% 0
April 2025 15 15 86.7% 0
May 2025 26 26 84.6% 0
June 2025 30 30 73.3% 0
July 2025 31 31 80.7% 0
August 2025 31 31 90.3% 0
September 2025 8 8 87.5% 0
November 2025 22 21 85.7% 1
December 2025 38 38 65.8% 0
January 2026 33 32 68.8% 1
February 2026 45 43 81.4% 2
March 2026 30 28 85.7% 2
April 2026 28 28 89.3% 0
May 2026 31 31 87.1% 0
June 2026 54 54 77.8% 0
July 2026 62 62 79.0% 0

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