Historical on-time performance
Seattle to Dallas-Fort Worth
Flights on SEA–DFW arrive on time 75% of the time over the last 12 months.
based on 5,200 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Alaska AirlinesOn-time76%Medianon timep9035 minCancel1.0%Flights1,755
- American AirlinesOn-time74%Medianon timep9040 minCancel3.0%Flights2,735
- Delta Air LinesOn-time74%Medianon timep9055 minCancel1.7%Flights710
Why flights run late
Delay causes
- Airline45%
- Weather2%
- Air traffic (NAS)17%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline24%
- Weather74%
- Air traffic (NAS)2%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 112 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 SEA → 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 — 83% on time.
- Mornings83% on time · p90 25 min · 4,755 flights
- Early mornings76% on time · p90 40 min · 1,083 flights
- Afternoons73% on time · p90 50 min · 1,272 flights
- Overnights71% on time · p90 40 min · 1,497 flights
- Evenings71% on time · p90 45 min · 2,170 flights
- Middays69% on time · p90 50 min · 4,225 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 79% on time.
- Wednesdays79% on time · p90 35 min · 2,072 flights
- Tuesdays77% on time · p90 35 min · 2,073 flights
- Saturdays74% on time · p90 40 min · 1,975 flights
- Thursdays74% on time · p90 40 min · 2,178 flights
- Mondays73% on time · p90 45 min · 2,257 flights
- Fridays73% on time · p90 40 min · 2,256 flights
- Sundays71% on time · p90 40 min · 2,191 flights
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