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WanderNerd

Flight Reliability

DL 2784 · Delta Air Lines

Atlanta → Oklahoma City (ATLOKC)

81
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
5 min
Average arrival delay
2.2%
Cancelled
9 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

DL 2784 departing between 3–6 PM arrived on time 88% of the time, versus 81% between 6–9 PM.

Monday is the weak spot.

DL 2784 arrived on time 89% of the time on Wednesdays. On Mondays: 75%.

Slipping a little lately.

DL 2784 arrived on time 78% of the time over the last three months in the data, compared with 85% in the three months before that.

The breakdown

On-time by weekday
  • Mon75%(52 flights)
  • Tue79%(52 flights)
  • Wed89%(52 flights)
  • Thu84%(50 flights)
  • Fri78%(50 flights)
  • Sat85%(46 flights)
  • Sun82%(50 flights)
On-time by departure window
  • 3–6 PM88%(43 flights)
  • 6–9 PM81%(309 flights)
On-time trend by month
81%
May

Jun 72% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%29
July 202567%30
August 202584%31
September 202593%30
October 202581%31
November 202596%27
December 202577%30
January 202693%27
February 202685%26
March 202683%30
April 202670%30
May 202681%31
Departures on time
80%
Diverted
0%
Flights flown
352
Months covered
12

Based on 360 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.