FlightRecord

Houston (IAH) to Shreveport (SHV): On-Time Performance

Data through May 2026

When you fly IAH to SHV matters as much as anything else about the booking: the route swung from 85% on-time in November 2025 to just 63% in June 2025. Across the full period the route averages 75% on-time against a national 78%.

On-time
75%
arrived <15 min late
Avg delay
24 min
completed flights
Cancelled
2.2%
Flights/day
3.4
last 12 months
Duration
1h 11m
scheduled
Distance
192 mi

Monthly on-time trend

Monthly on-time percentage for IAH to SHV flights50%75%100%November 2024: 67% on-time (3 flights)67Nov 2024December 2024: 94% on-time (16 flights)94January 2025: 74% on-time (42 flights)74February 2025: 78% on-time (36 flights)78Feb 2025March 2025: 74% on-time (35 flights)74April 2025: 82% on-time (85 flights)82May 2025: 69% on-time (96 flights)69May 2025June 2025: 63% on-time (164 flights)63July 2025: 71% on-time (150 flights)71August 2025: 74% on-time (139 flights)74Aug 2025September 2025: 85% on-time (119 flights)85October 2025: 74% on-time (121 flights)74November 2025: 85% on-time (108 flights)85Nov 2025December 2025: 66% on-time (90 flights)66January 2026: 80% on-time (67 flights)80February 2026: 79% on-time (57 flights)79Feb 2026March 2026: 78% on-time (62 flights)78April 2026: 76% on-time (60 flights)76May 2026: 71% on-time (92 flights)71May 2026

Best time to fly from IAH to SHV

Aim for departures around 9 p.m. (79% on-time); avoid 9 a.m. departures (66%).

On-time percentage by scheduled departure hour, IAH to SHV9 a.m.: 66% on-time (31 flights)910 a.m.: 76% on-time (175 flights)1012 p.m.: 74% on-time (70 flights)122 p.m.: 71% on-time (211 flights)144 p.m.: 73% on-time (306 flights)166 p.m.: 74% on-time (331 flights)187 p.m.: 72% on-time (32 flights)198 p.m.: 79% on-time (318 flights)209 p.m.: 79% on-time (67 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday73%25 min
Tuesdaybest83%12 min
Wednesday70%29 min
Thursday76%23 min
Friday74%19 min
Saturday76%23 min
Sunday69%36 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft32%
  • Airline operations40%
  • National airspace system14%
  • Weather15%

Frequently asked questions

How often are flights from IAH to SHV delayed?
26% of IAH–SHV 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 24 minutes.
What is the best time of day to fly from IAH to SHV?
Departures around 9 p.m. have the best record (79% on-time), while departures around 9 a.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from IAH to SHV?
The scheduled IAH–SHV flight time averages 1h 11m over 192 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
How often are IAH to SHV flights cancelled?
2.2% 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 IAH to SHV?
June 2025 was the roughest month in this dataset, with only 63% of arrivals on time. The best was November 2025 at 85%. If your dates are flexible, that 22-point gap is worth planning around.

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Based on 1,542 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.