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Flight Reliability

DL 2992 · Delta Air Lines

Miami → Raleigh–Durham (MIA–RDU)

55
A Little Dicey
WanderNerd Reliability Score
64%
Arrive within 15 minutes
29 min
Average arrival delay
1.9%
Cancelled
0 min
Median arrival delay

Based on 360 historical flights. Data through May 2026.

What the data says

6–9 PM has a slight edge.

Departures between 6–9 PM arrived on time 64% of the time, against 61% between 3–6 PM.

Sunday scaries are real for this one.

DL 2992 arrived on time 76% of the time on Tuesdays and just 49% on Sundays. That gap is worth planning around.

Lagging the MIA–RDU route.

DL 2992 arrived on time 64% of the time, versus 71% across the MIA–RDU route.

Well behind the Delta Air Lines network.

DL 2992 arrived on time 64% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon74%(50 flights)
  • Tue76%(49 flights)
  • Wed64%(50 flights)
  • Thu71%(51 flights)
  • Fri58%(52 flights)
  • Sat54%(50 flights)
  • Sun49%(51 flights)
On-time by departure window
  • 3–6 PM61%(66 flights)
  • 6–9 PM64%(287 flights)
On-time trend by month
71%
May

Jun 40% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202540%30
July 202543%30
August 202545%29
September 202573%30
October 202587%31
November 202583%29
December 202556%27
January 202666%29
February 202657%28
March 202673%30
April 202666%29
May 202671%31
Departures on time
64%
Diverted
0%
Flights flown
353
Months covered
12

Same route, other flights

Keep nerding

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.