Salt Lake City (SLC) to Washington (DCA): On-Time Performance
Data through July 2026
Salt Lake City (SLC) to Washington (DCA) is a thinner route than most in this dataset — 364 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 1.00
- last 12 months
- Duration
- 4h 8m
- scheduled
- Distance
- 1,851 mi
Monthly on-time trend
Best time to fly from SLC to DCA
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 12 min |
| Tuesday | 83% | 6 min |
| Wednesday | 83% | 8 min |
| Thursday | 77% | 11 min |
| Friday | 73% | 12 min |
| Saturday | 87% | 7 min |
| Sundaybest | 89% | 4 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft8%
- Airline operations36%
- National airspace system53%
- Weather3%
Frequently asked questions
- How often are flights from SLC to DCA delayed?
- 18% of SLC–DCA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 9 minutes.
- How long is the flight from SLC to DCA?
- The scheduled SLC–DCA flight time averages 4h 8m over 1,851 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are SLC to DCA flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SLC to DCA?
- February 2025 was the roughest month in this dataset, with only 64% of arrivals on time. The best was August 2024 at 94%. If your dates are flexible, that 29-point gap is worth planning around.
Explore related pages
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Related guides
Based on 760 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.