OKC → ATL

DL1158

DL1158 (Delta Air Lines) flies Oklahoma City to Atlanta. Of 611 departures recorded from October 2024 to July 2026, 92.2% left on time, according to the US BTS.

Recorded departures by month

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January1331▲ 138.5%
February1828▲ 55.6%
March31310.0%
April30300.0%
May31310.0%
June30300.0%
July31310.0%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)184212▲ 15.2%

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
January92.3%89.7%▼ 2.9%
February88.9%88.9%0.0%
March96.8%96.7%▼ 0.1%
April93.3%86.7%▼ 7.1%
May96.8%87.1%▼ 10.0%
June92.9%89.7%▼ 3.4%
July90.3%83.9%▼ 7.1%
August80.0%––
September96.7%––
October100.0%–in progress
November92.9%––
December96.7%––
Year-to-date average (Jan–Jul)93.0%88.9%▼ 4.4%

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
January02–
February01–
March01–
April00–
May00–
June21▼ 50.0%
July00–
August1––
September0––
October0–in progress
November2––
December1––
Year to date (Jan–Jul)25▲ 150.0%

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.

Cancellation share

  • Not cancelled 98.2% 600
  • Cancelled 1.8% 11

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

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
OKC ATL OKC Will Rogers World Airport – Hartsfield Jackson Atlanta International Airport 1,221 4.9 min 92.2% 611
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 15 15 100.0% 0
November 2024 19 19 100.0% 0
December 2024 28 28 92.9% 0
January 2025 13 13 92.3% 0
February 2025 18 18 88.9% 0
March 2025 31 31 96.8% 0
April 2025 30 30 93.3% 0
May 2025 31 31 96.8% 0
June 2025 30 28 92.9% 2
July 2025 31 31 90.3% 0
August 2025 31 30 80.0% 1
September 2025 30 30 96.7% 0
October 2025 31 31 100.0% 0
November 2025 30 28 92.9% 2
December 2025 31 30 96.7% 1
January 2026 31 29 89.7% 2
February 2026 28 27 88.9% 1
March 2026 31 30 96.7% 1
April 2026 30 30 86.7% 0
May 2026 31 31 87.1% 0
June 2026 30 29 89.7% 1
July 2026 31 31 83.9% 0

How to read this chart

Loading the guide…