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Flight Reliability

DL 5097 · Delta Air Lines

New York → Raleigh–Durham (JFK–RDU)100% of its flights flew this route. The rest (MSP–PIT) are included in these numbers.

85
Pretty Reliable
WanderNerd Reliability Score
87%
Arrive within 15 minutes
4 min early
Average arrival delay
2.2%
Cancelled
14 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 9 AM–12 PM arrived on time 91% of the time, against 86% between 6–9 AM.

Saturday is the weak spot.

DL 5097 arrived on time 92% of the time on Thursdays. On Saturdays: 78%.

Better than the JFK–RDU route average.

DL 5097 arrived on time 87% of the time, versus 76% across the JFK–RDU route.

A bit ahead of the Delta Air Lines network.

DL 5097 arrived on time 87% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon92%(49 flights)
  • Tue86%(50 flights)
  • Wed79%(52 flights)
  • Thu92%(52 flights)
  • Fri87%(52 flights)
  • Sat78%(50 flights)
  • Sun92%(50 flights)
On-time by departure window
  • 6–9 AM86%(310 flights)
  • 9 AM–12 PM91%(44 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
94%
May

Jun 90% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202590%31
August 202590%30
September 202583%30
October 202581%31
November 202590%30
December 202572%29
January 202685%27
February 202684%25
March 202694%31
April 202683%30
May 202694%31
Departures on time
87%
Diverted
0.3%
Flights flown
355
Months covered
12

Same route, other flights

Keep nerding

Based on 364 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.