Route · SYR → DEN · 2020–2025 BTS data
Syracuse to Denver
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SYR to DEN (Syracuse to Denver) ranks #3856 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 81.1%
- On-time
- +2.1 pts
- vs US avg
- 79 min
- Delay when late
- 1,959
- Flights
- #3856 of 4927
- Corpus placement
Cancelled
0.6%
Best Month
Sep 2025 83%
Worst Month
Jul 2025 72%
Distance
1,492 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 21 | 0 | 0 | UA |
| Nov 2025 | 30 | 10 | 0 | 0 | UA |
| Oct 2025 | 31 | 2 | 0 | 0 | UA |
| Sep 2025 | 54 | 9 | 0 | 0 | UA |
| Aug 2025 | 57 | 10 | 0 | 1 | UA |
| Jul 2025 | 53 | 15 | 0 | 1 | UA |
| Jun 2025 | 34 | 6 | 0 | 0 | UA |
| May 2025 | 31 | 3 | 0 | 0 | UA |
| Apr 2025 | 30 | 6 | 0 | 0 | UA |
| Mar 2025 | 31 | 2 | 0 | 0 | UA |
| Jan 2025 | 31 | 8 | 0 | 0 | UA |
| Dec 2024 | 31 | 4 | 0 | 0 | UA |
| Nov 2024 | 30 | 4 | 0 | 0 | UA |
| Oct 2024 | 31 | 0 | 0 | 0 | UA |
| Sep 2024 | 32 | 1 | 0 | 0 | UA,F9 |
| Aug 2024 | 46 | 4 | 1 | 0 | F9,UA |
| Jul 2024 | 49 | 8 | 2 | 1 | F9,UA |
| Jun 2024 | 46 | 7 | 1 | 0 | F9,UA |
| May 2024 | 45 | 7 | 0 | 0 | F9,UA |
| Apr 2024 | 41 | 4 | 1 | 0 | F9,UA |
| Mar 2024 | 31 | 2 | 0 | 0 | UA |
| Jan 2024 | 31 | 2 | 0 | 0 | UA |
| Dec 2023 | 36 | 3 | 0 | 0 | UA,F9 |
| Nov 2023 | 34 | 1 | 0 | 0 | F9,UA |
SYR–DEN seasonal on-time pattern
Best: October (91.2%) · weakest: December (71.0%)
Strongest calendar month
October
91.2% on-time · ~34 flights/mo
Busiest calendar month
July
~46 flights/mo avg
Weakest calendar month
December
71.0% on-time · ~34 flights/mo
Cancellation Rate
0.6%
5 of 896 flights
Diversion Rate
0.3%
3 of 896 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SYR - Syracuse
Full on-time, delay-cause, and seasonal performance for Syracuse, NY.
SYR on-time profileDEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
DEN on-time profileCompare the two airports
See SYR and DEN side by side on delays, cancellations, and reliability.
Compare SYR vs DENOrigin-hub reliability standing
Mid-pack among SYR departures
From SYR, this corridor sits with 10 other 75–85% on-time routes out of 15 tracked departures, not the hub's reliability leaders (4 at ≥85%) and not the softest ( 1 below 75%). Destination: Denver · fleet on-time rank #2726 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SYR–DEN.
Routes with a similar on-time rate
What the Data Says About SYR to DEN
1,959 tracked flights put the SYR to DEN pairing (Syracuse to Denver) at a 81.1% on-time rate, squarely in line with the wider network. Delays that do occur run 79.1 minutes on average. Across the 1,492-mile route and its 7 carriers, the trailing 24 months show 0.6% cancelled and 0.3% diverted (896 flights sampled).
Monthly performance varies moderately here: Sep 2025 was the strongest month at 83% on-time versus Jul 2025 at 72%, a 12-point difference.
On the multi-year calendar, SYR–DEN peaks in October at 91.2% on-time while July carries the heaviest traffic (~46 flights per month) ; the softest month is December at 71.0%, a 20.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SYR to DEN rank among US routes by traffic? ▼
How often are flights delayed from SYR to DEN? ▼
What is the cancellation rate for SYR to DEN? ▼
How far is the flight from SYR to DEN? ▼
When is the best time to fly from SYR to DEN? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using SYR–DEN data
SYR–DEN is mid-pack at 81.1% on-time; month and carrier mix move more than the corridor headline.
- Compare SYR and DEN airport profiles: delay causes and top routes differ even on the same corridor. SYR airport
- If your dates flex, October (91.2% on-time) beats December (71.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 81.1% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.