Best Time to Fly IAD to CLE: On-Time Stats by Hour & Airline
Washington Dulles International → Cleveland-Hopkins International
Data through July 2026 · Last updated October 18, 2026
1,050 flights were scheduled from Washington (IAD) to Cleveland (CLE) in the last 12 months, and 84.8% of those that flew arrived on time, 7.1 points above the US average of 77.6%.
United Airlines was the most punctual of the 2 airlines on the route at 85.4%, while Republic Airways trailed at 83.1%.
October has been the best month (92% on time) and Thursday the weakest day of the week (78%).
1.1% of flights were cancelled, versus 1.8% nationally.
IAD to CLE 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 | 85.4% | 78 min | 0.5% | 753 |
| Republic Airways | 83.1% | 76 min | 2.4% | 297 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IAD to CLE
On-time arrival % by scheduled departure hour (local time), 1,812 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 94.0% | 0.7% | 302 |
| 12pm–1pm | 89.0% | 0.3% | 348 |
| 3pm–4pm | 79.8% | 0.0% | 84 |
| 5pm–6pm | 75.3% | 2.4% | 493 |
| 10pm–11pm | 83.1% | 0.7% | 585 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IAD to CLE
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) | 83.9% | -2.8 pts | 0.0% | 31 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.0% | -8.7 pts | 3.5% | 85 |
| Summer peak (Jun 15 - Aug 15) | 74.5% | -12.2 pts | 2.8% | 363 |
| All other days | 86.7% | — | 0.5% | 1,333 |
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).