ON TIMEBOARD
DEN Denver / SYR Syracuse

DEN → SYR on time

Denver (Denver, CO) to Syracuse Hancock (Syracuse, NY). Every scheduled flight, September 2025 to August 2026.

On time
77%
arrived < 15 min late
Cancelled
0.4%
481 flights
Typical arrival
−3 min
median vs schedule
When late
+60 min
average delay
Flights / day
1
1 airline

77% of flights from Denver to Syracuse arrived on time over the past 12 months. That is about the typical U.S. route. The 9 a.m. departures ran on time 87% of the time; the 6 p.m. ones 66%. 7% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for DEN → SYR: when a flight was late, it was under 45 minutes late 56% of the time. About 1 in 15 flights landed an hour or more late, and 1 in 69 three hours or more; 0.4% were cancelled outright.

Share of all 481 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines48177%0.4%−3 min6.9%+60 minUnited Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at DEN). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%9 a.m. departures: 87% on time (117 flights)879a10 a.m. departures: too few flights10a11 a.m. departures: too few flights11anoon departures: too few flights12p1 p.m. departures: too few flights (1 flights)1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights4p5 p.m. departures: 76% on time (259 flights)765p6 p.m. departures: 66% on time (104 flights)666p
DEN → SYR, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On DEN → SYR, each airline's last flight of the day was cancelled 0.0% of the time, against 0.0% for its earlier flights, about the same. It arrived 3+ hours late 5.2% of the time (earlier flights: 0.9%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
United Airlines6:10 p.m.0.0%5.2%0.0%first flight 9:45 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: April (75%). Worst: July (64%).

40%70%100%Jan: too few flights (93 flights)JanFeb: too few flights (85 flights)FebMar: too few flights (93 flights)MarApr: 75% on time (101 flights)75AprMay: 65% on time (116 flights)65MayJun: 69% on time (132 flights)69JunJul: 64% on time (163 flights)64JulAug: 73% on time (165 flights)73AugSep: 73% on time (118 flights)73SepOct: too few flights (93 flights)OctNov: too few flights (94 flights)NovDec: too few flights (98 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday72——
Tuesday65——
Wednesday65——
Thursday70——
Friday70——
Saturday69——
Sunday70——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 67%Airline (crew, maintenance, ops) 17%Air traffic & airport (NAS) 16%Severe weather 1%

Cancellations: weather 2

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
UA 23506:10 p.m.34274%0.6%−2 minUnited Airlines

Questions

How often are flights from DEN to SYR on time?

77% of 481 scheduled flights from Denver, CO to Syracuse, NY arrived within 15 minutes of schedule between September 2025 and August 2026. 0.4% were cancelled.

What is the best time of day to fly DEN to SYR?

Flights scheduled to leave at 9 a.m. were the most reliable (87% on time). The 6 p.m. departures were the least (66%).

What month has the most delays from DEN to SYR?

July (64% on time). The best month is April (75%), over 2023–2026.

Is the last flight of the day from DEN to SYR more likely to be cancelled?

Not much. Each airline's last DEN–SYR flight of the day was cancelled 0.0% of the time over the past year, against 0.0% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.