DL947

DL947 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Phoenix to Detroit. Of 655 departures recorded from October 2024 to July 2026, 91.6% 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
January31310.0%
February28280.0%
March31310.0%
April30300.0%
May31310.0%
June30300.0%
July31310.0%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)2122120.0%

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
January90.0%83.9%▼ 6.8%
February92.9%89.3%▼ 3.8%
March93.6%83.9%▼ 10.3%
April86.7%93.3%▲ 7.7%
May96.8%90.3%▼ 6.7%
June96.7%90.0%▼ 6.9%
July93.6%90.0%▼ 3.8%
August96.8%––
September96.7%––
October96.8%–in progress
November96.7%––
December87.1%––
Year-to-date average (Jan–Jul)92.9%88.7%▼ 4.5%

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
January10▼ 100.0%
February00–
March00–
April00–
May00–
June00–
July01–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)110.0%

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 99.7% 653
  • Cancelled 0.3% 2

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

On time, leg by leg

  1. PHX–DTW556 92.2%
  2. ATL–SAN52 94.2%
  3. LAS–ATL47 80.9%

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 20 100.0% 0
November 2024 30 30 93.3% 0
December 2024 28 28 78.6% 0
January 2025 31 30 90.0% 1
February 2025 28 28 92.9% 0
March 2025 31 31 93.6% 0
April 2025 30 30 86.7% 0
May 2025 31 31 96.8% 0
June 2025 30 30 96.7% 0
July 2025 31 31 93.6% 0
August 2025 31 31 96.8% 0
September 2025 30 30 96.7% 0
October 2025 31 31 96.8% 0
November 2025 30 30 96.7% 0
December 2025 31 31 87.1% 0
January 2026 31 31 83.9% 0
February 2026 28 28 89.3% 0
March 2026 31 31 83.9% 0
April 2026 30 30 93.3% 0
May 2026 31 31 90.3% 0
June 2026 30 30 90.0% 0
July 2026 31 30 90.0% 1

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