DL1572

DL1572 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Houston to Atlanta. Of 957 departures recorded from October 2024 to July 2026, 78.0% 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
January2611▼ 57.7%
February2815▼ 46.4%
March5426▼ 51.9%
April4330▼ 30.2%
May5630▼ 46.4%
June54540.0%
July5862▲ 6.9%
August60––
September60––
October61–in progress
November58––
December38––
Year to date (Jan–Jul)319228▼ 28.5%

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
January60.9%60.0%▼ 1.4%
February71.4%100.0%▲ 40.0%
March72.2%76.0%▲ 5.2%
April83.7%86.7%▲ 3.5%
May66.1%80.0%▲ 21.1%
June70.6%75.5%▲ 6.9%
July72.4%67.7%▼ 6.4%
August81.7%––
September90.0%––
October78.7%–in progress
November87.9%––
December80.6%––
Year-to-date average (Jan–Jul)71.0%78.0%▲ 9.8%

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
January31▼ 66.7%
February00–
March01–
April00–
May00–
June31▼ 66.7%
July00–
August0––
September0––
October0–in progress
November0––
December2––
Year to date (Jan–Jul)63▼ 50.0%

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 98.9% 946
  • Cancelled 1.1% 11

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

On time, leg by leg

  1. IAH–ATL490 75.4%
  2. ATL–IAH467 80.7%

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

Legs flown under this number

2
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 40 40 82.5% 0
November 2024 57 57 86.0% 0
December 2024 36 36 80.6% 0
January 2025 26 23 60.9% 3
February 2025 28 28 71.4% 0
March 2025 54 54 72.2% 0
April 2025 43 43 83.7% 0
May 2025 56 56 66.1% 0
June 2025 54 51 70.6% 3
July 2025 58 58 72.4% 0
August 2025 60 60 81.7% 0
September 2025 60 60 90.0% 0
October 2025 61 61 78.7% 0
November 2025 58 58 87.9% 0
December 2025 38 36 80.6% 2
January 2026 11 10 60.0% 1
February 2026 15 15 100.0% 0
March 2026 26 25 76.0% 1
April 2026 30 30 86.7% 0
May 2026 30 30 80.0% 0
June 2026 54 53 75.5% 1
July 2026 62 62 67.7% 0

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