Skip to content
WanderNerd

Flight Reliability

DL 5149 · Delta Air Lines

Cincinnati → New York (CVGLGA)93% of its flights flew this route. The rest (GSO–LGA, LGA–GSO) are included in these numbers.

71
Usually Fine
WanderNerd Reliability Score
80%
Arrive within 15 minutes
6 min
Average arrival delay
4.2%
Cancelled
10 min early
Median arrival delay

Based on 353 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

DL 5149 departing between 6–9 AM arrived on time 80% of the time, versus 73% between 3–6 PM.

Tuesdays have been rough.

DL 5149 arrived on time 88% of the time on Mondays and just 71% on Tuesdays. That gap is worth planning around.

Keep a backup plan handy.

DL 5149 was cancelled 4.2% of the time. Typical for U.S. flights is around 1–2%.

Ticking up lately.

DL 5149 arrived on time 80% of the time over the last three months in the data, compared with 73% in the three months before that.

The breakdown

On-time by weekday
  • Mon88%(48 flights)
  • Tue71%(51 flights)
  • Wed82%(49 flights)
  • Thu77%(48 flights)
  • Fri82%(50 flights)
  • Sat76%(37 flights)
  • Sun82%(55 flights)
On-time by departure window
  • 6–9 AM80%(315 flights)
  • 12–3 PM75%(12 flights)
  • 3–6 PM73%(11 flights)
On-time trend by month
90%
May

Jun 73% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202577%30
August 202584%31
September 202585%27
October 202589%27
November 202591%23
December 202566%32
January 202685%27
February 202668%25
March 202677%26
April 202672%29
May 202690%31
Departures on time
83%
Diverted
0%
Flights flown
338
Months covered
12

Based on 353 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.