Best Time to Fly ORF to BWI: On-Time Stats by Hour & Airline
Norfolk International → Baltimore/Washington International Thurgood Marshall
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 84.7% of Norfolk (ORF) to Baltimore (BWI) flights arrived on time (1,549 scheduled flights). That is 7.1 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (87% on time) and July the worst month (74%).
The cancellation rate was 1.7% (US average 1.8%).
ORF to BWI 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 |
|---|---|---|---|---|
| Southwest Airlines | 84.7% | 55 min | 1.7% | 1,549 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORF to BWI
On-time arrival % by scheduled departure hour (local time), 3,075 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 27 | |
| 6am–7am | 94.7% | 0.8% | 702 |
| 7am–8am | Limited data | 1 | |
| 8am–9am | 90.3% | 0.9% | 115 |
| 9am–10am | 86.8% | 0.0% | 91 |
| 10am–11am | 89.4% | 0.0% | 312 |
| 11am–12pm | 87.8% | 1.1% | 183 |
| 12pm–1pm | 91.3% | 0.0% | 195 |
| 1pm–2pm | 85.5% | 1.7% | 119 |
| 2pm–3pm | 82.5% | 1.2% | 173 |
| 3pm–4pm | 76.6% | 2.6% | 193 |
| 4pm–5pm | 65.2% | 2.9% | 204 |
| 5pm–6pm | 76.6% | 0.5% | 190 |
| 6pm–7pm | 73.8% | 4.8% | 273 |
| 7pm–8pm | 78.6% | 1.6% | 128 |
| 8pm–9pm | 61.1% | 3.5% | 169 |
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 BWI
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) | 78.6% | -8.1 pts | 1.8% | 57 |
| Christmas & New Year (Dec 20 - Jan 3) | 70.5% | -16.2 pts | 0.0% | 122 |
| Summer peak (Jun 15 - Aug 15) | 74.3% | -12.3 pts | 4.3% | 564 |
| All other days | 86.7% | — | 0.9% | 2,332 |
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).