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Flight Reliability

DL 2019 · Delta Air Lines

New York → Orlando (JFK–MCO)83% of its flights flew this route. The rest (MCO–JFK) are included in these numbers.

72
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
7 min
Average arrival delay
2.9%
Cancelled
7 min early
Median arrival delay

Based on 441 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

DL 2019 departing between 9 AM–12 PM arrived on time 78% of the time, versus 69% between 12–3 PM.

Saturdays have been rough.

DL 2019 arrived on time 85% of the time on Tuesdays and just 67% on Saturdays. That gap is worth planning around.

A bit ahead of the JFK–MCO route.

DL 2019 arrived on time 76% of the time, versus 73% across the JFK–MCO route.

A bit behind the Delta Air Lines network.

DL 2019 arrived on time 76% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon75%(56 flights)
  • Tue85%(60 flights)
  • Wed84%(62 flights)
  • Thu76%(63 flights)
  • Fri77%(61 flights)
  • Sat67%(64 flights)
  • Sun71%(61 flights)
On-time by departure window
  • 6–9 AM—(2 flights)
  • 9 AM–12 PM78%(354 flights)
  • 12–3 PM69%(71 flights)
On-time trend by month
81%
May

Jun 87% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202577%31
August 202583%30
September 202587%30
October 202574%31
November 202573%30
December 202568%41
January 202669%32
February 202666%41
March 202672%58
April 202686%42
May 202681%31
Departures on time
79%
Diverted
0.2%
Flights flown
427
Months covered
12

Same route, other flights

Keep nerding

Based on 441 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.