Route
IAD → SYR
Washington Dulles International Airport Syracuse Hancock International Airport
295 miles
Return route SYR → IAD →
How punctual is this route?
- On-time arrivals
- 77.6%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 77
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 40%
- Air traffic control & airport 12%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
May 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.9% | 11 |
| October 2025 | 33.3% | 4 |
| November 2025 | 68.8% | 16 |
| December 2025 | 100.0% | 3 |
| January 2026 | 75.0% | 4 |
| February 2026 | 100.0% | 1 |
| April 2026 | 100.0% | 2 |
| May 2026 | 77.8% | 36 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Republic Airways | 39 | 76.3% | 2.6% | 97 min |
| United Airlines | 38 | 78.9% | 0.0% | 42 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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