Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 1523 · Delta Air Lines

Orlando → New York (MCO–LGA)89% of its flights flew this route. The rest (ATL–SDF, SDF–ATL) are included in these numbers.

83
Pretty Reliable
WanderNerd Reliability Score
95%
Arrive within 15 minutes
13 min early
Average arrival delay
4.1%
Cancelled
16 min early
Median arrival delay

Based on 363 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

DL 1523 arrived on time 98% of the time on Fridays. On Sundays: 89%.

Well ahead of the MCO–LGA route.

DL 1523 arrived on time 95% of the time, versus 69% across the MCO–LGA route.

Better than the Delta Air Lines network average.

DL 1523 arrived on time 95% of the time, versus 81% across the Delta Air Lines network.

Keep a backup plan handy.

DL 1523 was cancelled 4.1% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon96%(48 flights)
  • Tue92%(51 flights)
  • Wed98%(51 flights)
  • Thu94%(52 flights)
  • Fri98%(52 flights)
  • Sat96%(44 flights)
  • Sun89%(47 flights)
On-time by departure window
  • 6–9 AM95%(325 flights)
  • 9 AM–12 PM95%(20 flights)
On-time trend by month
95%
May

Jun 90% → May 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202597%30
August 2025100%29
September 2025100%30
October 202593%30
November 202590%29
December 202594%18
January 2026100%25
February 202692%26
March 202693%27
April 202693%28
May 202695%43
Departures on time
95%
Diverted
0.8%
Flights flown
345
Months covered
12

Same route, other flights

Keep nerding

Based on 363 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.