Historical on-time performance
Salt Lake City to Washington
Flights on SLC–DCA arrive on time 83% of the time over the last 12 months.
based on 337 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time83%Medianon timep9020 minCancel0.6%Flights337
Why flights run late
Delay causes
- Airline40%
- Weather1%
- Air traffic (NAS)48%
- Late aircraft11%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline50%
- Weather50%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 2 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 → DCA
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 83% to 85% on time.
- Middays85% on time · p90 20 min · 393 flights
- Mornings83% on time · p90 25 min · 703 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 86% on time.
- Saturdays86% on time · p90 10 min · 157 flights · limited
- Mondays85% on time · p90 40 min · 156 flights · limited
- Wednesdays84% on time · p90 20 min · 156 flights · limited
- Sundays83% on time · p90 20 min · 157 flights · limited
- Tuesdays83% on time · p90 15 min · 156 flights · limited
- Thursdays82% on time · p90 20 min · 157 flights · limited
- Fridays80% on time · p90 20 min · 157 flights · limited
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