Historical on-time performance
Salt Lake City to Raleigh-durham
Flights on SLC–RDU arrive on time 86% of the time over the last 12 months.
based on 407 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time86%Medianon timep9020 minCancel1.7%Flights407
Why flights run late
Delay causes
- Airline50%
- Weather3%
- Air traffic (NAS)13%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline43%
- Weather57%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 7 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SLC → RDU
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 74% to 87% on time.
- Evenings87% on time · p90 15 min · 160 flights · limited
- Middays87% on time · p90 20 min · 914 flights
- Overnights74% on time · p90 50 min · 121 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 92% on time.
- Tuesdays92% on time · p90 10 min · 169 flights · limited
- Thursdays87% on time · p90 15 min · 172 flights · limited
- Wednesdays86% on time · p90 20 min · 174 flights · limited
- Mondays85% on time · p90 20 min · 176 flights · limited
- Fridays84% on time · p90 20 min · 175 flights · limited
- Sundays83% on time · p90 30 min · 181 flights · limited
- Saturdays82% on time · p90 30 min · 177 flights · limited
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