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Flight Reliability

DL 5164 · Delta Air Lines

Raleigh–Durham → New York (RDU–LGA)87% of its flights flew this route. The rest (ATL–AVL, AVL–ATL) are included in these numbers.

79
Usually Fine
WanderNerd Reliability Score
87%
Arrive within 15 minutes
0 min
Average arrival delay
3.8%
Cancelled
10 min early
Median arrival delay

Based on 367 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

DL 5164 departing between 6–9 AM arrived on time 88% of the time, versus 75% between 3–6 PM.

Friday is doing you no favors.

DL 5164 arrived on time 98% of the time on Sundays. On Fridays: 83%.

Well ahead of the RDU–LGA route.

DL 5164 arrived on time 87% of the time, versus 70% across the RDU–LGA route.

A bit ahead of the Delta Air Lines network.

DL 5164 arrived on time 87% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon85%(52 flights)
  • Tue85%(52 flights)
  • Wed87%(54 flights)
  • Thu87%(54 flights)
  • Fri83%(54 flights)
  • Sat86%(44 flights)
  • Sun98%(42 flights)
On-time by departure window
  • 6–9 AM88%(306 flights)
  • 12–3 PM85%(26 flights)
  • 3–6 PM75%(20 flights)
On-time trend by month
82%
May

Jun 81% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%26
July 202583%30
August 202590%30
September 2025100%30
October 202596%28
November 202590%30
December 202577%31
January 202689%27
February 202692%25
March 202680%20
April 202683%24
May 202682%51
Departures on time
90%
Diverted
0.3%
Flights flown
352
Months covered
12

Same route, other flights

Keep nerding

Based on 367 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.