DL3137

DL3137 (Delta Air Lines) is a multi-stop service on 4 routes, busiest Atlanta to Charlotte. Of 411 departures recorded from October 2024 to July 2026, 76.9% 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
January291▼ 96.6%
February28––
March31––
April30––
May19––
June1642▲ 162.5%
July1554▲ 260.0%
August14––
September12––
October16–in progress
November10––
December16––

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 periods15 periods
PeriodOn time 2025On time 2026Change vs last year
January89.3%100.0%▲ 12.0%
February78.6%––
March61.3%––
April76.7%––
May57.9%––
June50.0%92.9%▲ 85.7%
July61.5%87.0%▲ 41.4%
August64.3%––
September75.0%––
October87.5%–in progress
November70.0%––
December68.8%––

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 periods15 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January10▼ 100.0%
February0––
March0––
April0––
May0––
June20▼ 100.0%
July20▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––

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 98.8% 406
  • Cancelled 1.2% 5

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

On time, leg by leg

  1. ATL–CLT312 73.0%
  2. MEM–DTW48 85.4%
  3. DTW–MEM48 93.8%

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 75.0% 0
November 2024 30 30 83.3% 0
December 2024 28 28 71.4% 0
January 2025 29 28 89.3% 1
February 2025 28 28 78.6% 0
March 2025 31 31 61.3% 0
April 2025 30 30 76.7% 0
May 2025 19 19 57.9% 0
June 2025 16 14 50.0% 2
July 2025 15 13 61.5% 2
August 2025 14 14 64.3% 0
September 2025 12 12 75.0% 0
October 2025 16 16 87.5% 0
November 2025 10 10 70.0% 0
December 2025 16 16 68.8% 0
January 2026 1 1 100.0% 0
June 2026 42 42 92.9% 0
July 2026 54 54 87.0% 0

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