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Flight Reliability

DL 2518 · Delta Air Lines

Cedar Rapids → Atlanta (CID–ATL)

92
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
4 min early
Average arrival delay
1.4%
Cancelled
12 min early
Median arrival delay

Based on 348 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 6–9 AM arrived on time 94% of the time, against 89% between 3–6 AM.

Sunday scaries are real for this one.

DL 2518 arrived on time 98% of the time on Tuesdays. On Sundays: 84%.

Better than the Delta Air Lines network average.

DL 2518 arrived on time 90% of the time, versus 81% across the Delta Air Lines network.

Trending in the right direction.

DL 2518 arrived on time 90% of the time over the last three months in the data, compared with 82% in the three months before that.

The breakdown

On-time by weekday
  • Mon88%(49 flights)
  • Tue98%(48 flights)
  • Wed94%(50 flights)
  • Thu94%(50 flights)
  • Fri90%(49 flights)
  • Sat85%(47 flights)
  • Sun84%(49 flights)
On-time by departure window
  • 3–6 AM89%(273 flights)
  • 6–9 AM94%(69 flights)
On-time trend by month
90%
May

Jun 97% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%29
July 202594%31
August 202594%31
September 202597%30
October 202597%31
November 202582%28
December 202568%19
January 202685%26
February 202693%28
March 202693%29
April 202686%29
May 202690%31
Departures on time
92%
Diverted
0.3%
Flights flown
342
Months covered
12

Same route, other flights

Keep nerding

Based on 348 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.