Route · ORF → IAH · 2020–2025 BTS data
Norfolk to Houston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ORF to IAH (Norfolk to Houston) ranks #4117 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 84.2%
- On-time
- +5.2 pts
- vs US avg
- 86 min
- Delay when late
- 1,553
- Flights
- #4117 of 4927
- Corpus placement
Cancelled
1.8%
Best Month
N/A
Worst Month
N/A
Distance
1,201 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Mar 2025 | 30 | 1 | 0 | 0 | UA |
| Jan 2025 | 31 | 6 | 2 | 0 | UA |
| Dec 2024 | 31 | 8 | 0 | 0 | UA |
| Nov 2024 | 30 | 2 | 0 | 0 | UA |
| Oct 2024 | 31 | 2 | 1 | 0 | UA |
| Sep 2024 | 30 | 1 | 0 | 0 | UA |
| Aug 2024 | 31 | 3 | 1 | 0 | UA |
| Jul 2024 | 31 | 5 | 2 | 0 | UA |
| Jun 2024 | 30 | 7 | 1 | 0 | UA |
| May 2024 | 31 | 8 | 1 | 1 | OO,UA |
| Apr 2024 | 30 | 4 | 0 | 0 | UA |
| Mar 2024 | 31 | 5 | 0 | 0 | UA |
| Jan 2024 | 31 | 2 | 1 | 0 | UA |
| Dec 2023 | 31 | 2 | 0 | 0 | UA |
| Nov 2023 | 30 | 3 | 0 | 0 | UA |
| Oct 2023 | 31 | 3 | 0 | 0 | UA |
| Sep 2023 | 30 | 5 | 0 | 0 | UA |
| Aug 2023 | 31 | 2 | 0 | 0 | UA |
| Jul 2023 | 31 | 5 | 0 | 0 | UA |
| Jun 2023 | 30 | 7 | 3 | 0 | UA |
| May 2023 | 31 | 7 | 0 | 0 | UA |
| Apr 2023 | 30 | 7 | 1 | 0 | UA |
| Mar 2023 | 31 | 6 | 0 | 0 | UA |
| Jan 2023 | 31 | 7 | 0 | 0 | UA |
ORF–IAH seasonal on-time pattern
Best: September (91.3%) · weakest: July (78.7%)
Strongest calendar month
September
91.3% on-time · ~38 flights/mo
Busiest calendar month
February
~51 flights/mo avg
Weakest calendar month
July
78.7% on-time · ~39 flights/mo
Cancellation Rate
1.8%
13 of 735 flights
Diversion Rate
0.1%
1 of 735 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORF - Norfolk
Full on-time, delay-cause, and seasonal performance for Norfolk, VA.
ORF on-time profileIAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
IAH on-time profileCompare the two airports
See ORF and IAH side by side on delays, cancellations, and reliability.
Compare ORF vs IAHOrigin-hub reliability standing
Mid-pack among ORF departures
From ORF, this corridor sits with 14 other 75–85% on-time routes out of 20 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 1 below 75%). Destination: Houston · fleet on-time rank #1519 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORF–IAH.
Routes with a similar on-time rate
What the Data Says About ORF to IAH
Bureau of Transportation Statistics records show Norfolk to Houston (ORF to IAH) running a 84.2% on-time rate over 1,553 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 86.2 minutes. The 1,201-mile corridor is served by 8 carriers, and over the last 24 months 1.8% of 735 flights were cancelled, 0.1% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
On the multi-year calendar, ORF–IAH peaks in September at 91.3% on-time while February carries the heaviest traffic (~51 flights per month) ; the softest month is July at 78.7%, a 12.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does ORF to IAH rank among US routes by traffic? ▼
How often are flights delayed from ORF to IAH? ▼
What is the cancellation rate for ORF to IAH? ▼
How far is the flight from ORF to IAH? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using ORF–IAH data
ORF–IAH runs 5.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare ORF and IAH airport profiles: delay causes and top routes differ even on the same corridor. ORF airport
- If your dates flex, September (91.3% on-time) beats July (78.7%) on this corridor. Seasonal chart
- 4 other routes post a similar 84.2% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.