Historical on-time performance
Raleigh-durham to Salt Lake City
Flights on RDU–SLC arrive on time 81% 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-time81%Medianon timep9030 minCancel1.2%Flights407
Why flights run late
Delay causes
- Airline39%
- Weather7%
- Air traffic (NAS)15%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline60%
- Weather40%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 5 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 RDU → SLC
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 82% to 84% on time.
- Evenings84% on time · p90 25 min · 922 flights
- Mornings82% on time · p90 30 min · 282 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 86% on time.
- Tuesdays86% on time · p90 20 min · 177 flights · limited
- Thursdays86% on time · p90 20 min · 172 flights · limited
- Wednesdays84% on time · p90 20 min · 167 flights · limited
- Sundays83% on time · p90 30 min · 178 flights · limited
- Fridays82% on time · p90 50 min · 175 flights · limited
- Mondays81% on time · p90 20 min · 177 flights · limited
- Saturdays80% on time · p90 50 min · 179 flights · limited
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