Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 2149 · Delta Air Lines

Cincinnati → Salt Lake City (CVG–SLC)83% of its flights flew this route. The rest (SLC–CVG) are included in these numbers.

85
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
6 min
Average arrival delay
0.6%
Cancelled
5 min early
Median arrival delay

Based on 355 historical flights. Data through May 2026.

What the data says

12–3 PM has a slight edge.

Departures between 12–3 PM arrived on time 84% of the time, against 77% between 6–9 PM.

Sunday scaries are real for this one.

DL 2149 arrived on time 89% of the time on Wednesdays and just 68% on Sundays. That gap is worth planning around.

A bit behind the CVG–SLC route.

DL 2149 arrived on time 79% of the time, versus 84% across the CVG–SLC route.

Trending in the right direction.

DL 2149 arrived on time 87% of the time over the last three months in the data, compared with 77% in the three months before that.

The breakdown

On-time by weekday
  • Mon81%(57 flights)
  • Tue79%(48 flights)
  • Wed89%(44 flights)
  • Thu73%(52 flights)
  • Fri86%(55 flights)
  • Sat81%(41 flights)
  • Sun68%(56 flights)
On-time by departure window
  • 6–9 AM—(5 flights)
  • 12–3 PM84%(61 flights)
  • 3–6 PM82%(17 flights)
  • 6–9 PM77%(270 flights)
On-time trend by month
100%
May

Jun 81% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%42
July 202565%49
August 202581%37
September 202580%30
October 202583%30
November 202586%28
December 202573%37
January 2026100%18
February 202657%14
March 202678%27
April 202683%30
May 2026100%11
Departures on time
82%
Diverted
0%
Flights flown
353
Months covered
12

Same route, other flights

Keep nerding

Based on 355 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.