Best Time to Fly ORF to IAD: On-Time Stats by Hour & Airline
Norfolk International → Washington Dulles International
Data through July 2026 · Last updated October 18, 2026
689 flights were scheduled from Norfolk (ORF) to Washington (IAD) in the last 12 months, and 90.2% of those that flew arrived on time, 12.6 points above the US average of 77.6%.
Among 2 airlines, United Airlines led with 92.2% on time and Republic Airways was last with 87.7%.
Over 24 months, Wednesday was the most reliable day (91% on time) and January the worst month (82%).
The cancellation rate was 2.2% (US average 1.8%).
ORF to IAD on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 92.2% | 44 min | 0.5% | 375 |
| Republic Airways | 87.7% | 86 min | 4.1% | 314 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORF to IAD
On-time arrival % by scheduled departure hour (local time), 1,257 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 89.2% | 1.5% | 584 |
| 10am–11am | 90.9% | 0.5% | 187 |
| 12pm–1pm | Limited data | 5 | |
| 1pm–2pm | Limited data | 24 | |
| 2pm–3pm | 88.6% | 0.0% | 149 |
| 3pm–4pm | 77.8% | 2.7% | 37 |
| 7pm–8pm | 93.5% | 4.1% | 97 |
| 8pm–9pm | 84.0% | 5.8% | 174 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORF to IAD
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 94.3% | +5.1 pts | 0.0% | 35 |
| Christmas & New Year (Dec 20 - Jan 3) | 91.7% | +2.5 pts | 0.0% | 48 |
| Summer peak (Jun 15 - Aug 15) | 85.9% | -3.2 pts | 3.7% | 215 |
| All other days | 89.2% | — | 1.9% | 959 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).