ON TIMEBOARD

IAH → MAF on time

Houston Bush Intercontinental (Houston, TX) to Midland Air and Space Port (Midland/Odessa, TX). Every scheduled flight, September 2025 to August 2026.

On time
84%
arrived < 15 min late
Cancelled
0.6%
2,311 flights
Typical arrival
−12 min
median vs schedule
When late
+60 min
average delay
Flights / day
6
1 airline

84% of flights from Houston to Midland 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 89% of the time; the 8 p.m. ones 73%. 6% 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 IAH → MAF: when a flight was late, it was under 45 minutes late 53% of the time. About 1 in 19 flights landed an hour or more late, and 1 in 257 three hours or more; 0.6% were cancelled outright.

Share of all 2,311 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines2,31184%0.6%−12 min5.3%+60 minMesa Airlines 68%, United Airlines 20%, SkyWest 12%, CommutAir 1%

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 IAH). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: 89% on time (334 flights)897a8 a.m. departures: too few flights8a9 a.m. departures: 86% on time (309 flights)869a10 a.m. departures: too few flights10a11 a.m. departures: 75% on time (149 flights)7511anoon departures: 88% on time (180 flights)8812p1 p.m. departures: too few flights (19 flights)1p2 p.m. departures: 85% on time (339 flights)852p3 p.m. departures: too few flights3p4 p.m. departures: 86% on time (322 flights)864p5 p.m. departures: too few flights (2 flights)5p6 p.m. departures: too few flights (11 flights)6p7 p.m. departures: too few flights (36 flights)7p8 p.m. departures: 73% on time (308 flights)738p9 p.m. departures: 83% on time (212 flights)839p10 p.m. departures: too few flights (90 flights)10p
IAH → MAF, 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 IAH → MAF, each airline's last flight of the day was cancelled 0.5% of the time, against 0.6% for its earlier flights, about the same. It arrived 3+ hours late 0.5% of the time (earlier flights: 0.4%). 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 Airlines10:04 p.m.0.5%0.5%0.6%first flight 7:20 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: August (87%). Worst: June (68%).

40%70%100%Jan: 79% on time (522 flights)79JanFeb: 87% on time (528 flights)87FebMar: 80% on time (609 flights)80MarApr: 83% on time (601 flights)83AprMay: 71% on time (614 flights)71MayJun: 68% on time (585 flights)68JunJul: 72% on time (596 flights)72JulAug: 87% on time (594 flights)87AugSep: 85% on time (586 flights)85SepOct: 85% on time (616 flights)85OctNov: 84% on time (553 flights)84NovDec: 85% on time (508 flights)85Dec

By day of week

DayFlightsOn timeCancelled
Monday35681%0.8%
Tuesday35686%0.6%
Wednesday35387%0.3%
Thursday34588%0.0%
Friday34685%1.2%
Saturday22580%0.0%
Sunday33079%1.2%

Why flights were late

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

Late inbound plane 39%Airline (crew, maintenance, ops) 38%Air traffic & airport (NAS) 18%Severe weather 5%

Cancellations: air traffic/airport 7 · weather 6 · airline 1

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 78% on time, 1.1% cancelledOct 2023: 80% on time, 0.5% cancelledNov 2023: 82% on time, 0.0% cancelledDec 2023: 88% on time, 0.0% cancelledJan 2024: 73% on time, 6.7% cancelledFeb 2024: 86% on time, 0.0% cancelledMar 2024: 81% on time, 1.0% cancelledApr 2024: 85% on time, 0.0% cancelledMay 2024: 66% on time, 9.6% cancelledJun 2024: 76% on time, 1.5% cancelledJul 2024: 59% on time, 9.7% cancelledAug 2024: 91% on time, 0.0% cancelledSep 2024: 92% on time, 0.0% cancelledOct 2024: 89% on time, 0.0% cancelledNov 2024: 85% on time, 0.0% cancelledDec 2024: 84% on time, 1.1% cancelledJan 2025: 78% on time, 6.3% cancelledFeb 2025: 83% on time, 0.0% cancelledMar 2025: 78% on time, 0.5% cancelledApr 2025: 80% on time, 0.5% cancelledMay 2025: 73% on time, 1.9% cancelledJun 2025: 57% on time, 4.2% cancelledJul 2025: 71% on time, 2.0% cancelledAug 2025: 80% on time, 0.0% cancelledSep 2025: 87% on time, 0.0% cancelledOct 2025: 88% on time, 0.0% cancelledNov 2025: 86% on time, 1.5% cancelledDec 2025: 83% on time, 0.0% cancelledJan 2026: 85% on time, 2.4% cancelledFeb 2026: 91% on time, 0.0% cancelledMar 2026: 81% on time, 2.9% cancelledApr 2026: 83% on time, 0.0% cancelledMay 2026: 75% on time, 0.5% cancelledJun 2026: 72% on time, 0.0% cancelledJul 2026: 87% on time, 0.0% cancelledAug 2026: 91% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
IAH → MAF, 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 62637:20 a.m.23589%0.4%−13 minMesa Airlines
UA 61869:35 a.m.23888%1.3%−11 minMesa Airlines
UA 633812:10 p.m.16584%0.6%−12 minMesa Airlines
UA 63222:35 p.m.23786%1.3%−13 minMesa Airlines
UA 62334:35 p.m.19085%0.5%−14 minMesa Airlines
UA 22368:13 p.m.17969%1.1%−5 minUnited Airlines
UA 62769:35 p.m.18180%0.5%−14 minMesa Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Jun 20, 202640%0
Oct 25, 202540%0
Mar 16, 2026714%3
May 1, 2026714%1
Mar 8, 2026729%1

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Houston or Midland. None has been clearly more reliable than IAH → MAF.

RouteFlightsOn timeCancelled
IAH → MAF (this route)2,31184%0.6%
HOU → MAF Houston Hobby to Midland Air and Space Port1,36382%0.4%

Questions

How often are flights from IAH to MAF on time?

84% of 2,311 scheduled flights from Houston, TX to Midland/Odessa, TX arrived within 15 minutes of schedule between September 2025 and August 2026. 0.6% were cancelled.

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

Flights scheduled to leave at 7 a.m. were the most reliable (89% on time). The 8 p.m. departures were the least (73%).

What month has the most delays from IAH to MAF?

June (68% on time). The best month is August (87%), over 2023–2026.

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

Not much. Each airline's last IAH–MAF flight of the day was cancelled 0.5% of the time over the past year, against 0.6% 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.