Historical on-time performance
Harlingen to Dallas
458 miData through May 2026Source: US DOT · BTS
Flights on HRL–DAL arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 351 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time83%Medianon timep9025 minCancel0.9%Flights351
Why flights run late
Delay causes
- Airline24%
- Weather0%
- Air traffic (NAS)26%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline67%
- Weather33%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 3 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 HRL → DAL
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 85% to 87% on time.
- Mornings87% on time · p90 15 min · 103 flights · limited
- Middays85% on time · p90 20 min · 608 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 92% on time.
- Tuesdays92% on time · p90 5 min · 107 flights · limited
- Fridays89% on time · p90 15 min · 106 flights · limited
- Wednesdays84% on time · p90 20 min · 106 flights · limited
- Mondays84% on time · p90 25 min · 104 flights · limited
- Saturdays82% on time · p90 40 min · 175 flights · limited
- Thursdays78% on time · p90 35 min · 105 flights · limited
- Sundays77% on time · p90 30 min · 150 flights · limited
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