ON TIMEBOARD

LIT → IAH on time

Bill & Hillary Clinton National /Adams (Little Rock, AR) to Houston Bush Intercontinental (Houston, TX). Every scheduled flight, September 2025 to August 2026.

On time
80%
arrived < 15 min late
Cancelled
0.9%
1,653 flights
Typical arrival
−9 min
median vs schedule
When late
+82 min
average delay
Flights / day
5
1 airline

80% of flights from Little Rock to Houston arrived on time over the past 12 months. That is about the typical U.S. route. The 9 a.m. departures ran on time 89% of the time; the 7 a.m. ones 77%. 9% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for LIT → IAH: when a flight was late, it was under 45 minutes late 47% of the time. About 1 in 12 flights landed an hour or more late, and 1 in 64 three hours or more; 0.9% were cancelled outright.

Share of all 1,653 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines1,65380%0.9%−9 min8.0%+82 minCommutAir 43%, SkyWest 38%, Mesa Airlines 17%, GoJet 1%, United Airlines 0%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at LIT). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: too few flights (60 flights)6a7 a.m. departures: 77% on time (285 flights)777a8 a.m. departures: too few flights (21 flights)8a9 a.m. departures: 89% on time (245 flights)899a10 a.m. departures: too few flights10a11 a.m. departures: 83% on time (275 flights)8311anoon departures: too few flights (81 flights)12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights2p3 p.m. departures: 79% on time (323 flights)793p4 p.m. departures: too few flights4p5 p.m. departures: 78% on time (363 flights)785p
LIT → IAH, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On LIT → IAH, each airline's last flight of the day was cancelled 0.5% of the time, against 1.0% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 0.3% of the time (earlier flights: 2.1%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
United Airlines5:23 p.m.0.5%0.3%1.0%first flight 7:05 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: September (86%). Worst: June (65%).

40%70%100%Jan: 74% on time (368 flights)74JanFeb: 83% on time (333 flights)83FebMar: 84% on time (381 flights)84MarApr: 78% on time (405 flights)78AprMay: 70% on time (436 flights)70MayJun: 65% on time (466 flights)65JunJul: 73% on time (438 flights)73JulAug: 84% on time (447 flights)84AugSep: 86% on time (413 flights)86SepOct: 85% on time (455 flights)85OctNov: 83% on time (434 flights)83NovDec: 82% on time (417 flights)82Dec

By day of week

DayFlightsOn timeCancelled
Monday24481%0.8%
Tuesday23583%0.4%
Wednesday22584%0.4%
Thursday23779%0.0%
Friday24474%0.8%
Saturday22580%2.2%
Sunday24380%1.7%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 38%Air traffic & airport (NAS) 28%Late inbound plane 28%Severe weather 7%

Cancellations: weather 13 · air traffic/airport 2

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 78% on time, 2.6% cancelledOct 2023: 83% on time, 0.0% cancelledNov 2023: 84% on time, 0.0% cancelledDec 2023: 86% on time, 0.0% cancelledJan 2024: 72% on time, 5.8% cancelledFeb 2024: 85% on time, 0.0% cancelledMar 2024: 84% on time, 1.7% cancelledApr 2024: 83% on time, 1.7% cancelledMay 2024: 56% on time, 8.3% cancelledJun 2024: 65% on time, 0.6% cancelledJul 2024: 62% on time, 7.8% cancelledAug 2024: 84% on time, 0.0% cancelledSep 2024: 88% on time, 0.0% cancelledOct 2024: 90% on time, 0.0% cancelledNov 2024: 83% on time, 0.0% cancelledDec 2024: 79% on time, 2.1% cancelledJan 2025: 68% on time, 10.4% cancelledFeb 2025: 80% on time, 0.0% cancelledMar 2025: 88% on time, 0.0% cancelledApr 2025: 78% on time, 1.3% cancelledMay 2025: 78% on time, 2.6% cancelledJun 2025: 62% on time, 4.3% cancelledJul 2025: 73% on time, 3.0% cancelledAug 2025: 79% on time, 0.0% cancelledSep 2025: 90% on time, 0.0% cancelledOct 2025: 80% on time, 0.0% cancelledNov 2025: 80% on time, 1.5% cancelledDec 2025: 79% on time, 0.0% cancelledJan 2026: 84% on time, 4.9% cancelledFeb 2026: 84% on time, 0.0% cancelledMar 2026: 79% on time, 4.4% cancelledApr 2026: 72% on time, 0.0% cancelledMay 2026: 72% on time, 1.3% cancelledJun 2026: 68% on time, 0.0% cancelledJul 2026: 86% on time, 0.0% cancelledAug 2026: 88% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
LIT → IAH, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
UA 483011:57 a.m.22983%2.2%−13 minCommutAir

Worst days in the past year

DateFlightsOn timeCancelled
May 23, 202650%0
Oct 24, 202550%0
May 1, 202650%1
Jan 24, 202640%4
Mar 8, 202640%1

Questions

How often are flights from LIT to IAH on time?

80% of 1,653 scheduled flights from Little Rock, AR to Houston, TX arrived within 15 minutes of schedule between September 2025 and August 2026. 0.9% were cancelled.

What is the best time of day to fly LIT to IAH?

Flights scheduled to leave at 9 a.m. were the most reliable (89% on time). The 7 a.m. departures were the least (77%).

What month has the most delays from LIT to IAH?

June (65% on time). The best month is September (86%), over 2023–2026.

Is the last flight of the day from LIT to IAH more likely to be cancelled?

No, the opposite. Each airline's last LIT–IAH flight of the day was cancelled 0.5% of the time over the past year, against 1.0% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.