Delta Air Lines is the most reliable airline on the SLC to RDU route with a 87% on-time rate. Based on 1,436 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SLC to RDU
Salt Lake City to Raleigh — airline reliability comparison
On-Time Rate by Airline
Delta Air Lines87%
SLC to RDU Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Delta Air LinesDLBest | 87% | 0.8% | 56m | 1,436 |
Route Overview
86%
Overall On-Time
59m
Avg Delay
1%
Cancel Rate
1,436
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.