Historical on-time performance
Springfield to Houston
513 miData through May 2026Source: US DOT · BTS
Flights on SGF–IAH arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay90 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 161 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time72%Medianon timep9090 minCancel0.6%Flights161
Why flights run late
Delay causes
- Airline86%
- Weather0%
- Air traffic (NAS)12%
- Late aircraft2%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 1 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 SGF → IAH
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 72% to 77% on time.
- Mornings77% on time · p90 60 min · 472 flights
- Afternoons72% on time · p90 85 min · 296 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 81% on time.
- Thursdays81% on time · p90 35 min · 114 flights · limited
- Mondays78% on time · p90 65 min · 116 flights · limited
- Fridays77% on time · p90 95 min · 114 flights · limited
- Sundays74% on time · p90 75 min · 113 flights · limited
- Tuesdays72% on time · p90 60 min · 103 flights · limited
- Wednesdays72% on time · p90 85 min · 109 flights · limited
- Saturdays71% on time · p90 95 min · 103 flights · limited
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