Syracuse (SYR) to Denver (DEN): On-Time Performance
Data through May 2026
When you fly SYR to DEN matters as much as anything else about the booking: the route swung from 100% on-time in October 2024 to just 32% in December 2025. Across the full period the route averages 80% on-time against a national 78%.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 1.2
- last 12 months
- Duration
- 4h 3m
- scheduled
- Distance
- 1,492 mi
Monthly on-time trend
Best time to fly from SYR to DEN
Aim for departures around 8 a.m. (83% on-time); avoid 4 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 19 min |
| Tuesday | 78% | 21 min |
| Wednesday | 77% | 21 min |
| Thursday | 83% | 16 min |
| Friday | 76% | 17 min |
| Saturdaybest | 84% | 11 min |
| Sunday | 78% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft17%
- Airline operations48%
- National airspace system26%
- Weather9%
Frequently asked questions
- How often are flights from SYR to DEN delayed?
- 20% of SYR–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 17 minutes.
- What is the best time of day to fly from SYR to DEN?
- Departures around 8 a.m. have the best record (83% on-time), while departures around 4 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SYR to DEN?
- The scheduled SYR–DEN flight time averages 4h 3m over 1,492 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are SYR to DEN flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from SYR to DEN?
- December 2025 was the roughest month in this dataset, with only 32% of arrivals on time. The best was October 2024 at 100%. If your dates are flexible, that 68-point gap is worth planning around.
Explore related pages
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Based on 866 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.