ON TIMEBOARD

SAV → IAH on time

Savannah Hilton Head (Savannah, GA) to Houston Bush Intercontinental (Houston, TX). Every scheduled flight, September 2025 to August 2026.

On time
85%
arrived < 15 min late
Cancelled
0.7%
916 flights
Typical arrival
−15 min
median vs schedule
When late
+94 min
average delay
Flights / day
3
1 airline

85% of flights from Savannah to Houston arrived on time over the past 12 months. That is better than the typical U.S. route. The 7 a.m. departures ran on time 92% of the time; the 3 p.m. ones 77%. 7% 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 SAV → IAH: when a flight was late, it was under 45 minutes late 50% of the time. About 1 in 18 flights landed an hour or more late, and 1 in 48 three hours or more; 0.7% were cancelled outright.

Share of all 916 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines91685%0.7%−15 min5.6%+94 minMesa Airlines

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 SAV). 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 (45 flights)6a7 a.m. departures: 92% on time (314 flights)927a8 a.m. departures: too few flights (5 flights)8a9 a.m. departures: too few flights9a10 a.m. departures: too few flights (4 flights)10a11 a.m. departures: 91% on time (194 flights)9111anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights2p3 p.m. departures: 77% on time (354 flights)773p
SAV → 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 SAV → IAH, each airline's last flight of the day was cancelled 0.5% of the time, against 0.7% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 2.5% of the time (earlier flights: 1.8%). 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 Airlines3:40 p.m.0.5%2.5%0.7%first flight 7:00 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: February (92%). Worst: July (74%).

40%70%100%Jan: 76% on time (181 flights)76JanFeb: 92% on time (161 flights)92FebMar: 83% on time (185 flights)83MarApr: 87% on time (210 flights)87AprMay: 77% on time (206 flights)77MayJun: 76% on time (180 flights)76JunJul: 74% on time (184 flights)74JulAug: 87% on time (186 flights)87AugSep: 84% on time (156 flights)84SepOct: 89% on time (192 flights)89OctNov: 89% on time (209 flights)89NovDec: 85% on time (211 flights)85Dec

By day of week

DayFlightsOn timeCancelled
Monday13685%0.0%
Tuesday12787%0.0%
Wednesday13188%0.0%
Thursday13289%0.8%
Friday13382%0.0%
Saturday12584%1.6%
Sunday13283%2.3%

Why flights were late

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

Late inbound plane 40%Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 26%Severe weather 1%

Cancellations: weather 6

Month by month

Not enough months with data to draw a trend.

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 62207:00 a.m.36491%1.1%−17 minMesa Airlines
UA 61853:30 p.m.35477%0.6%−9 minMesa Airlines

Worst days in the past year

DateFlightsOn timeCancelled
May 1, 202630%0
Mar 16, 202630%0
Jan 26, 202630%0
Mar 8, 2026333%1
Mar 1, 2026333%0

Questions

How often are flights from SAV to IAH on time?

85% of 916 scheduled flights from Savannah, GA to Houston, TX arrived within 15 minutes of schedule between September 2025 and August 2026. 0.7% were cancelled.

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

Flights scheduled to leave at 7 a.m. were the most reliable (92% on time). The 3 p.m. departures were the least (77%).

What month has the most delays from SAV to IAH?

July (74% on time). The best month is February (92%), over 2023–2026.

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

No, the opposite. Each airline's last SAV–IAH flight of the day was cancelled 0.5% of the time over the past year, against 0.7% 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.