DL2020

DL2020 (Delta Air Lines) is a multi-stop service on 7 routes, busiest Oklahoma City to Atlanta. Of 887 departures recorded from October 2024 to July 2026, 79.6% 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 periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–46–
February–56–
March2356▲ 143.5%
April4352▲ 20.9%
May50500.0%
June4850▲ 4.2%
July4654▲ 17.4%
August42––
September36––
October60–in progress
November51––
December62––

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 periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January–81.4%–
February–89.3%–
March73.9%82.1%▲ 11.1%
April83.7%92.3%▲ 10.3%
May78.0%84.0%▲ 7.7%
June82.6%79.2%▼ 4.2%
July54.4%61.1%▲ 12.4%
August76.2%––
September94.4%––
October88.3%–in progress
November68.6%––
December73.3%––

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 periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–3–
February–0–
March00–
April00–
May00–
June220.0%
July00–
August0––
September0––
October0–in progress
November0––
December2––

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 99.0% 878
  • Cancelled 1.0% 9

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

On time, leg by leg

  1. OKC–ATL384 78.7%
  2. ATL–OKC375 79.3%
  3. CLT–DTW36 75.0%
  4. CHA–ATL31 83.9%
  5. ATL–CHA31 90.3%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 38 38 86.8% 0
November 2024 22 22 90.9% 0
December 2024 2 2 50.0% 0
March 2025 23 23 73.9% 0
April 2025 43 43 83.7% 0
May 2025 50 50 78.0% 0
June 2025 48 46 82.6% 2
July 2025 46 46 54.4% 0
August 2025 42 42 76.2% 0
September 2025 36 36 94.4% 0
October 2025 60 60 88.3% 0
November 2025 51 51 68.6% 0
December 2025 62 60 73.3% 2
January 2026 46 43 81.4% 3
February 2026 56 56 89.3% 0
March 2026 56 56 82.1% 0
April 2026 52 52 92.3% 0
May 2026 50 50 84.0% 0
June 2026 50 48 79.2% 2
July 2026 54 54 61.1% 0

How to read this chart

Loading the guide…