Denver (DEN) to Syracuse (SYR): On-Time Performance
Data through July 2026
The calendar drives reliability on DEN–SYR. April 2026 flights landed on schedule 93% of the time, but May 2025 dropped to 42% — a gap of 51 points. Across the full period the route averages 73% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 71%), which matters most in the rough months.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 1.3
- last 12 months
- Duration
- 3h 26m
- scheduled
- Distance
- 1,492 mi
Monthly on-time trend
Best time to fly from DEN to SYR
Aim for departures around 9 a.m. (86% on-time); avoid 6 p.m. departures (69%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 18 min |
| Tuesday | 75% | 21 min |
| Wednesdaybest | 77% | 15 min |
| Thursday | 71% | 16 min |
| Friday | 72% | 23 min |
| Saturday | 75% | 13 min |
| Sunday | 72% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft55%
- Airline operations25%
- National airspace system18%
- Weather1%
Frequently asked questions
- How often are flights from DEN to SYR delayed?
- 27% of DEN–SYR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 18 minutes.
- What is the best time of day to fly from DEN to SYR?
- Departures around 9 a.m. have the best record (86% on-time), while departures around 6 p.m. have the worst (69%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to SYR?
- The scheduled DEN–SYR flight time averages 3h 26m over 1,492 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are DEN to SYR flights cancelled?
- 0.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to SYR?
- May 2025 was the roughest month in this dataset, with only 42% of arrivals on time. The best was April 2026 at 93%. If your dates are flexible, that 51-point gap is worth planning around.
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Based on 933 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.