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Route Reliability

Salt Lake City → Raleigh–Durham

SLC–RDU · 1,824 miles · Salt Lake City International Airport to Raleigh–Durham International Airport

88
Pretty Reliable
WanderNerd Reliability Score
89%
Arrive within 15 minutes
3 min early
Average arrival delay
1.6%
Cancelled
435
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 89% of the time across 435 flights. No comparison to make.

What the data says

The 3–6 PM departure wins.

SLC–RDU flights departing between 3–6 PM arrived on time 91% of the time, versus 84% between 9 PM–12 AM.

Sunday scaries are real for this one.

SLC–RDU flights arrived on time 94% of the time on Tuesdays. On Sundays: 83%.

Slipping a little lately.

SLC–RDU flights arrived on time 90% of the time over the last three months in the data, compared with 95% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon90%(62 flights)
  • Tue94%(62 flights)
  • Wed88%(60 flights)
  • Thu90%(59 flights)
  • Fri92%(60 flights)
  • Sat88%(58 flights)
  • Sun83%(64 flights)
On-time by departure window
  • 9 AM–12 PM89%(212 flights)
  • 3–6 PM91%(151 flights)
  • 9 PM–12 AM84%(62 flights)
On-time trend by month
90%
May

Jun 69% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%52
July 202586%58
August 202598%40
September 202583%30
October 202597%30
November 202597%30
December 202592%37
January 2026100%30
February 202693%28
March 202686%29
April 202693%30
May 202690%31

Keep nerding

Based on 435 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.