DL3153

DL3153 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Atlanta to Indianapolis. Of 517 departures recorded from October 2024 to June 2026, 84.1% 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 periods15 periods
PeriodDepartures 2025Departures 2026Change vs last year
January31310.0%
February28280.0%
March31310.0%
April30300.0%
May3127▼ 12.9%
June379▼ 75.7%
July62––
August20––
September–––
October––in progress
November–––
December12––
Year to date (Jan–Jun)188156▼ 17.0%

according to the US BTS · October 2024 → June 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 periods15 periods
PeriodOn time 2025On time 2026Change vs last year
January86.2%90.0%▲ 4.4%
February82.1%85.7%▲ 4.3%
March80.7%93.1%▲ 15.4%
April79.3%96.6%▲ 21.7%
May80.7%63.0%▼ 21.9%
June67.6%100.0%▲ 48.0%
July91.9%––
August80.0%––
September–––
October––in progress
November–––
December66.7%––
Year-to-date average (Jan–Jun)79.4%88.1%▲ 10.9%

according to the US BTS · October 2024 → June 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → June 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods15 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January21▼ 50.0%
February00–
March02–
April110.0%
May00–
June00–
July0––
August0––
September–––
October––in progress
November–––
December0––
Year to date (Jan–Jun)34▲ 33.3%

according to the US BTS · October 2024 → June 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 98.6% 510
  • Cancelled 1.4% 7

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 26, 2026

On time, leg by leg

  1. ATL–IND405 84.7%
  2. BHM–ATL56 85.7%
  3. ATL–BHM56 78.6%

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 28 28 92.9% 0
December 2024 31 31 80.7% 0
January 2025 31 29 86.2% 2
February 2025 28 28 82.1% 0
March 2025 31 31 80.7% 0
April 2025 30 29 79.3% 1
May 2025 31 31 80.7% 0
June 2025 37 37 67.6% 0
July 2025 62 62 91.9% 0
August 2025 20 20 80.0% 0
December 2025 12 12 66.7% 0
January 2026 31 30 90.0% 1
February 2026 28 28 85.7% 0
March 2026 31 29 93.1% 2
April 2026 30 29 96.6% 1
May 2026 27 27 63.0% 0
June 2026 9 9 100.0% 0

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