ON TIMEBOARD

IAH → MSP on time

Houston Bush Intercontinental (Houston, TX) to Minneapolis-St. Paul (Minneapolis, MN). Every scheduled flight, September 2025 to August 2026.

On time
79%
arrived < 15 min late
Cancelled
0.9%
2,221 flights
Typical arrival
−8 min
median vs schedule
When late
+83 min
average delay
Flights / day
6
2 airlines

79% of flights from Houston to Minneapolis arrived on time over the past 12 months. That is about the typical U.S. route. The 8 a.m. departures ran on time 95% of the time; the 5 p.m. ones 71%. Most reliable airline: United Airlines (82%). 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 IAH → MSP: when a flight was late, it was under 45 minutes late 47% of the time. About 1 in 13 flights landed an hour or more late, and 1 in 69 three hours or more; 0.9% were cancelled outright.

Share of all 2,221 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines1,30178%1.1%−8 min9.8%+101 minDelta Air Lines 98%, SkyWest 2%
United Airlines92082%0.8%−8 min4.8%+52 minUnited Airlines 69%, Mesa Airlines 31%

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%6 a.m. departures: 87% on time (365 flights)876a7 a.m. departures: too few flights (31 flights)7a8 a.m. departures: 95% on time (175 flights)958a9 a.m. departures: too few flights (36 flights)9a10 a.m. departures: 84% on time (267 flights)8410a11 a.m. departures: too few flights (76 flights)11anoon departures: too few flights (89 flights)12p1 p.m. departures: too few flights1p2 p.m. departures: 74% on time (477 flights)742p3 p.m. departures: too few flights3p4 p.m. departures: too few flights (63 flights)4p5 p.m. departures: 71% on time (228 flights)715p6 p.m. departures: too few flights (61 flights)6p7 p.m. departures: too few flights (34 flights)7p8 p.m. departures: 75% on time (318 flights)758p
IAH → MSP, 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

By airline and hour

DepartsDelta Air LinesUnited Airlines
6 a.m.87%—
8 a.m.—95%
10 a.m.83%—
2 p.m.70%78%
5 p.m.71%—
8 p.m.—75%

Last flight of the day

On IAH → MSP, each airline's last flight of the day was cancelled 0.8% of the time, against 1.0% for its earlier flights, about the same. It arrived 3+ hours late 1.8% of the time (earlier flights: 1.3%). 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
Delta Air Lines5:40 p.m.0.5%3.6%1.3%first flight 6:30 a.m.
United Airlines8:35 p.m.1.1%0.0%0.5%first flight 8:00 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 (87%). Worst: June (67%).

40%70%100%Jan: 79% on time (490 flights)79JanFeb: 87% on time (468 flights)87FebMar: 78% on time (584 flights)78MarApr: 80% on time (589 flights)80AprMay: 68% on time (611 flights)68MayJun: 67% on time (577 flights)67JunJul: 71% on time (607 flights)71JulAug: 79% on time (598 flights)79AugSep: 86% on time (570 flights)86SepOct: 86% on time (597 flights)86OctNov: 84% on time (535 flights)84NovDec: 78% on time (511 flights)78Dec

By day of week

DayFlightsOn timeCancelled
Monday33180%1.2%
Tuesday30982%0.3%
Wednesday32983%0.3%
Thursday32980%0.3%
Friday33078%0.9%
Saturday26682%0.8%
Sunday32772%2.8%

Why flights were late

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

Airline (crew, maintenance, ops) 42%Late inbound plane 41%Air traffic & airport (NAS) 11%Severe weather 6%

Cancellations: airline 11 · weather 9 · air traffic/airport 1

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 81% on time, 0.5% cancelledOct 2023: 86% on time, 0.0% cancelledNov 2023: 91% on time, 0.0% cancelledDec 2023: 90% on time, 0.0% cancelledJan 2024: 75% on time, 3.3% cancelledFeb 2024: 88% on time, 0.0% cancelledMar 2024: 80% on time, 2.0% cancelledApr 2024: 76% on time, 0.0% cancelledMay 2024: 58% on time, 3.5% cancelledJun 2024: 67% on time, 0.0% cancelledJul 2024: 59% on time, 8.2% cancelledAug 2024: 78% on time, 0.5% cancelledSep 2024: 91% on time, 0.0% cancelledOct 2024: 88% on time, 0.0% cancelledNov 2024: 91% on time, 0.0% cancelledDec 2024: 77% on time, 0.6% cancelledJan 2025: 81% on time, 4.5% cancelledFeb 2025: 87% on time, 0.0% cancelledMar 2025: 80% on time, 0.0% cancelledApr 2025: 79% on time, 0.0% cancelledMay 2025: 63% on time, 1.0% cancelledJun 2025: 60% on time, 2.0% cancelledJul 2025: 74% on time, 1.0% cancelledAug 2025: 80% on time, 0.5% cancelledSep 2025: 86% on time, 0.0% cancelledOct 2025: 83% on time, 0.0% cancelledNov 2025: 71% on time, 1.1% cancelledDec 2025: 69% on time, 2.3% cancelledJan 2026: 83% on time, 0.7% cancelledFeb 2026: 85% on time, 0.7% cancelledMar 2026: 74% on time, 5.8% cancelledApr 2026: 87% on time, 0.0% cancelledMay 2026: 83% on time, 0.0% cancelledJun 2026: 75% on time, 0.5% cancelledJul 2026: 79% on time, 0.5% cancelledAug 2026: 79% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
IAH → MSP, 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
DL 10506:30 a.m.36587%1.6%−10 minDelta Air Lines
DL 265610:45 a.m.22480%1.8%−9 minDelta Air Lines
DL 26175:40 p.m.33873%0.3%−9 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Feb 1, 202650%0
Mar 16, 2026714%2
Mar 15, 2026714%5
Jun 19, 2026714%0
Nov 29, 2025617%0

Questions

How often are flights from IAH to MSP on time?

79% of 2,221 scheduled flights from Houston, TX to Minneapolis, MN 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 IAH to MSP?

Flights scheduled to leave at 8 a.m. were the most reliable (95% on time). The 5 p.m. departures were the least (71%).

Which airline is most on time from IAH to MSP?

United Airlines: 82% of its 920 flights on the route arrived on time. Delta Air Lines: 78%.

What month has the most delays from IAH to MSP?

June (67% on time). The best month is February (87%), over 2023–2026.

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

Not much. Each airline's last IAH–MSP flight of the day was cancelled 0.8% 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.