Historical on-time performance
Ontario to Dallas-Fort Worth
Flights on ONT–DFW arrive on time 76% of the time over the last 12 months.
based on 2,094 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Frontier AirlinesOn-time85%Medianon timep9015 minCancel3.2%Flights94
- American AirlinesOn-time75%Medianon timep9045 minCancel2.9%Flights2,000
Why flights run late
Delay causes
- Airline43%
- Weather4%
- Air traffic (NAS)10%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline12%
- Weather85%
- Air traffic (NAS)3%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 60 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 ONT → DFW
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 — 85% on time.
- Mornings85% on time · p90 20 min · 2,494 flights
- Overnights82% on time · p90 25 min · 821 flights
- Early mornings80% on time · p90 50 min · 149 flights · limited
- Middays73% on time · p90 60 min · 2,128 flights
- Evenings70% on time · p90 55 min · 228 flights
- Afternoons68% on time · p90 50 min · 1,249 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 80% on time.
- Thursdays80% on time · p90 35 min · 1,051 flights
- Tuesdays78% on time · p90 30 min · 959 flights
- Mondays78% on time · p90 40 min · 1,028 flights
- Saturdays77% on time · p90 40 min · 991 flights
- Wednesdays77% on time · p90 50 min · 943 flights
- Sundays77% on time · p90 45 min · 1,068 flights
- Fridays76% on time · p90 50 min · 1,029 flights
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