Route Reliability
Washington → MGW
IAD–MGW · 140 miles · Washington Dulles International Airport to MGW Airport
- 78%
- Arrive within 15 minutes
- 36 min
- Average arrival delay
- 5.2%
- Cancelled
- 362
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 78% of the time across 362 flights. No comparison to make.
What the data says
Mornings have a slight edge.
Departures between 6–9 AM arrived on time 80% of the time, against 75% between 9 PM–12 AM.
Friday is doing you no favors.
IAD–MGW flights arrived on time 81% of the time on Mondays. On Fridays: 71%.
Keep a backup plan handy.
This route was cancelled 5.2% of the time. Typical for U.S. flights is around 1–2%.
Recent months have been rougher.
IAD–MGW flights arrived on time 72% of the time over the last three months in the data, compared with 80% in the three months before that.
Flights on this route
The breakdown
- Mon81%(47 flights)
- Tue80%(50 flights)
- Wed71%(49 flights)
- Thu81%(47 flights)
- Fri71%(49 flights)
- Sat80%(50 flights)
- Sun78%(46 flights)
- 6–9 AM80%(176 flights)
- 12–3 PM—(1 flights)
- 9 PM–12 AM75%(161 flights)
Jun 90% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 30 |
| July 2025 | 77% | 31 |
| August 2025 | 77% | 31 |
| September 2025 | 80% | 30 |
| October 2025 | 74% | 31 |
| November 2025 | 73% | 30 |
| December 2025 | 75% | 24 |
| January 2026 | 80% | 20 |
| February 2026 | 86% | 28 |
| March 2026 | 56% | 27 |
| April 2026 | 86% | 29 |
| May 2026 | 74% | 27 |
Keep nerding
Based on 362 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.