DL813

DL813 (Delta Air Lines) is a multi-stop service on 5 routes, busiest Detroit to Phoenix. Of 745 departures recorded from October 2024 to July 2026, 81.7% 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
January1234▲ 183.3%
February245▲ 2,150.0%
March2462▲ 158.3%
April3060▲ 100.0%
May3137▲ 19.4%
June30300.0%
July31310.0%
August31––
September30––
October31–in progress
November28––
December40––
Year to date (Jan–Jul)160299▲ 86.9%

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
January50.0%78.8%▲ 57.6%
February100.0%83.3%▼ 16.7%
March87.5%90.3%▲ 3.2%
April86.7%93.3%▲ 7.7%
May83.9%73.0%▼ 13.0%
June80.0%75.9%▼ 5.2%
July71.0%41.9%▼ 40.9%
August83.9%––
September90.0%––
October93.6%–in progress
November92.6%––
December60.0%––
Year-to-date average (Jan–Jul)79.9%76.6%▼ 4.0%

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
January01–
February03–
March00–
April00–
May00–
June01–
July00–
August0––
September0––
October0–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 99.2% 739
  • Cancelled 0.8% 6

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

On time, leg by leg

  1. DTW–PHX531 80.7%
  2. PHX–DTW123 82.9%
  3. TPA–LGA62 86.7%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 95.0% 0
November 2024 47 47 97.9% 0
December 2024 59 59 78.0% 0
January 2025 12 12 50.0% 0
February 2025 2 2 100.0% 0
March 2025 24 24 87.5% 0
April 2025 30 30 86.7% 0
May 2025 31 31 83.9% 0
June 2025 30 30 80.0% 0
July 2025 31 31 71.0% 0
August 2025 31 31 83.9% 0
September 2025 30 30 90.0% 0
October 2025 31 31 93.6% 0
November 2025 28 27 92.6% 1
December 2025 40 40 60.0% 0
January 2026 34 33 78.8% 1
February 2026 45 42 83.3% 3
March 2026 62 62 90.3% 0
April 2026 60 60 93.3% 0
May 2026 37 37 73.0% 0
June 2026 30 29 75.9% 1
July 2026 31 31 41.9% 0

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