Historical on-time performance
St. Louis to Dallas-Fort Worth
550 miData through May 2026Source: US DOT · BTS
Flights on STL–DFW arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled3.0%of scheduled flights
based on 2,098 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirbestOn-time79%Medianon timep9045 minCancel1.9%Flights266
- American AirlinesOn-time72%Medianon timep9070 minCancel3.2%Flights1,832
Why flights run late
Delay causes
- Airline35%
- Weather3%
- Air traffic (NAS)16%
- Late aircraft46%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline16%
- Weather79%
- Air traffic (NAS)5%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 63 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 STL → 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 — 79% on time.
- Mornings79% on time · p90 35 min · 3,234 flights
- Middays74% on time · p90 55 min · 1,474 flights
- Afternoons70% on time · p90 60 min · 915 flights
- Evenings58% on time · p90 105 min · 1,207 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 77% on time.
- Tuesdays77% on time · p90 60 min · 938 flights
- Saturdays74% on time · p90 55 min · 964 flights
- Fridays74% on time · p90 50 min · 1,003 flights
- Wednesdays73% on time · p90 55 min · 943 flights
- Thursdays72% on time · p90 70 min · 991 flights
- Sundays71% on time · p90 65 min · 1,000 flights
- Mondays70% on time · p90 75 min · 1,009 flights
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