SNA to SLC flight delays & on-time performance
Nonstop flights from John Wayne Orange County International Airport to Salt Lake City International Airport · 588 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SNA or SLC right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Santa Ana (SNA) to Salt Lake City (SLC) arrived on time 87% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.6% were cancelled, and 6% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (87% on time); Frontier Airlines was the least (86%).
- Departures scheduled around 9am did best (92% on time); around 1pm did worst (78%).
- Wednesday was the most reliable day to fly (92% on time) and Sunday the least (82%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (52%).
Which airline is most on time from SNA to SLC?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 87% | 0.6% | 14 min | 6.0% | 1,629 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 86% | 0.8% | 16 min | 4.8% | 125 |
| Frontier Airlines | 86% | 1.0% | 9 min | 4.0% | 101 |
| Allegiant Air | 0% | 0.0% | 150 min | 100.0% | 1 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am91%313 flights
- 8am91%53 flights
- 9am92%400 flights
- 1pm78%367 flights
- 4pm85%40 flights
- 5pm85%349 flights
- 6pm84%25 flights
- 7pm88%281 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday83%0.4% cancelled
- Tuesday89%0.8% cancelled
- Wednesday92%0.0% cancelled
- Thursday84%0.0% cancelled
- Friday87%0.7% cancelled
- Saturday90%0.0% cancelled
- Sunday82%2.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)52%
- Late-arriving aircraft38%
- Air traffic control & airport congestion8%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)75%
- Extreme weather25%
- Air traffic control & airport congestion0%
- Security0%
SNA to SLC: common questions
- How often are SNA to SLC flights on time?
- 87% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Santa Ana to Salt Lake City cancelled?
- 0.6% of scheduled flights were cancelled (12 of 1,856).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 101 min behind schedule on average, and 5.9% of flights were an hour or more late.
- How long is taxi time at SNA?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SLC to SNA — 84% on time
More flights from Santa Ana
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SNA → SLC, nonstop flights by US airlines that report to the DOT. How we calculate this.