Historical on-time performance
Santa Ana to Denver
846 miData through May 2026Source: US DOT · BTS
Flights on SNA–DEN arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 3,496 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Frontier AirlinesOn-time85%Medianon timep9025 minCancel0.0%Flights91
- United AirlinesbestOn-time84%Medianon timep9025 minCancel0.4%Flights1,869
- Southwest AirlinesOn-time77%Medianon timep9045 minCancel0.5%Flights1,536
Why flights run late
Delay causes
- Airline15%
- Weather5%
- Air traffic (NAS)42%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline36%
- Weather50%
- Air traffic (NAS)14%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 14 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 SNA → DEN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 5 min · 2,996 flights
- Middays84% on time · p90 25 min · 3,648 flights
- Overnights80% on time · p90 30 min · 265 flights
- Evenings79% on time · p90 40 min · 2,058 flights
- Afternoons70% on time · p90 75 min · 2,060 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 87% on time.
- Saturdays87% on time · p90 20 min · 1,392 flights
- Tuesdays85% on time · p90 25 min · 1,498 flights
- Wednesdays85% on time · p90 30 min · 1,509 flights
- Mondays82% on time · p90 30 min · 1,665 flights
- Thursdays80% on time · p90 40 min · 1,657 flights
- Sundays79% on time · p90 40 min · 1,620 flights
- Fridays79% on time · p90 40 min · 1,686 flights
Keep exploring