DL2831

DL2831 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to Louisville. Of 590 departures recorded from October 2024 to July 2026, 79.7% 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 periods14 periods
PeriodDepartures 2025Departures 2026Change vs last year
January4227▼ 35.7%
February4215▼ 64.3%
March5538▼ 30.9%
April5045▼ 10.0%
May5347▼ 11.3%
June1333▲ 153.8%
July–30–
August–––
September–––
October––in progress
November–––
December21––

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 periods14 periods
PeriodOn time 2025On time 2026Change vs last year
January79.5%84.0%▲ 5.7%
February90.5%100.0%▲ 10.5%
March72.7%71.1%▼ 2.3%
April72.0%84.4%▲ 17.3%
May73.6%85.1%▲ 15.7%
June69.2%90.9%▲ 31.3%
July–70.0%–
August–––
September–––
October––in progress
November–––
December85.7%––

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 periods14 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January32▼ 33.3%
February00–
March00–
April00–
May00–
June00–
July–0–
August–––
September–––
October––in progress
November–––
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 99.2% 585
  • Cancelled 0.8% 5

Share of all recorded flights in the period, all legs. · Oct 23, 2024 → Jul 31, 2026

On time, leg by leg

  1. ATL–SDF399 80.6%
  2. SDF–ATL191 77.8%

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 9 9 88.9% 0
November 2024 29 29 96.6% 0
December 2024 41 41 65.9% 0
January 2025 42 39 79.5% 3
February 2025 42 42 90.5% 0
March 2025 55 55 72.7% 0
April 2025 50 50 72.0% 0
May 2025 53 53 73.6% 0
June 2025 13 13 69.2% 0
December 2025 21 21 85.7% 0
January 2026 27 25 84.0% 2
February 2026 15 15 100.0% 0
March 2026 38 38 71.1% 0
April 2026 45 45 84.4% 0
May 2026 47 47 85.1% 0
June 2026 33 33 90.9% 0
July 2026 30 30 70.0% 0

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