Shreveport (SHV) to Houston (IAH): On-Time Performance
Data through May 2026
When you fly SHV to IAH matters as much as anything else about the booking: the route swung from 88% on-time in February 2026 to just 65% in March 2026. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 63%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 2.1%
- Flights/day
- 3.4
- last 12 months
- Duration
- 1h 15m
- scheduled
- Distance
- 192 mi
Monthly on-time trend
Best time to fly from SHV to IAH
Aim for departures around 5 a.m. (91% on-time); avoid 4 p.m. departures (62%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 34 min |
| Tuesdaybest | 84% | 18 min |
| Wednesday | 76% | 25 min |
| Thursday | 73% | 24 min |
| Friday | 73% | 20 min |
| Saturday | 81% | 13 min |
| Sunday | 79% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft23%
- Airline operations53%
- National airspace system15%
- Weather8%
Frequently asked questions
- How often are flights from SHV to IAH delayed?
- 23% of SHV–IAH flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 23 minutes.
- What is the best time of day to fly from SHV to IAH?
- Departures around 5 a.m. have the best record (91% on-time), while departures around 4 p.m. have the worst (62%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SHV to IAH?
- The scheduled SHV–IAH flight time averages 1h 15m over 192 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are SHV to IAH flights cancelled?
- 2.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from SHV to IAH?
- March 2026 was the roughest month in this dataset, with only 65% of arrivals on time. The best was February 2026 at 88%. If your dates are flexible, that 23-point gap is worth planning around.
Explore related pages
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Based on 1,539 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.