Newark to Denver Flight Delays
Sample size: 9,343 EWR–DEN flights, January 2023 to December 2025 (BTS). 24.04% of Newark to Denver flights arrived at least 15 minutes late. That tracks the 24.2% median for the major US domestic routes DelayGuard covers almost exactly. Departure time moves the odds more than anything else on this route: 06:00 departures run 8.01% late against 38.52% for 19:00. Tuesday is the calmest day at 19.12%, Thursday the worst at 27.75%. Cancellations (2024 to 2025) peak in January at 10.5% of scheduled flights and bottom out in December at 0.18%. Last updated: 2026-10-01.
These figures are historical US domestic rates, not a forecast for one departure. Use the AI delay predictor before you book.
EWR airport delay guide · DEN airport delay guide · Predict a EWR to DEN flight
Best time to fly EWR to DEN
The best time to fly EWR to DEN is the 6 AM departure and fly on a Tuesday, not a Thursday (19.12% against 27.75%): 8.01% of 6 AM flights arrived 15+ minutes late, against 38.52% at 7 PM.
Lowest observed delay rates depart 06:00–08:00. The highest sit at 17:00, 19:00, 21:00. Only departure hours with at least 100 recorded flights are listed, so sparse hours are blank rather than estimated.
| Departure hour | Delayed 15+ min | Flights observed |
|---|---|---|
| 06:00 | 8.01% | 924 |
| 07:00 | 15.26% | 983 |
| 08:00 | 12.24% | 343 |
| 09:00 | 19.05% | 588 |
| 10:00 | 21.28% | 484 |
| 11:00 | 20.41% | 392 |
| 12:00 | 18.65% | 681 |
| 13:00 | 18.58% | 183 |
| 14:00 | 28.44% | 900 |
| 15:00 | 30.91% | 961 |
| 16:00 | 30.71% | 609 |
| 17:00 | 37.41% | 433 |
| 18:00 | 32.34% | 671 |
| 19:00 | 38.52% | 379 |
| 20:00 | 31.67% | 502 |
| 21:00 | 35.79% | 271 |
EWR to DEN flight time and distance
Scheduled gate-to-gate time from EWR to DEN is a median 4 h 25 min. Flights actually took a median 4 h 13 min gate to gate, including 3 h 40 min in the air. 4.1% ran 30 or more minutes over schedule and 73.2% arrived sooner than scheduled (BTS data, January 2023 to December 2025).
EWR to DEN is 1,605 miles (BTS data).
| Airline | Scheduled (median) | Actual (median) | In the air (median) | 30+ min over schedule | Flights |
|---|---|---|---|---|---|
| United Airlines | 4 h 25 min | 4 h 13 min | 3 h 40 min | 4.1% | 9,343 |
How late, and why
When a EWR to DEN flight was late (15+ minutes), it arrived an average of 74 minutes late (median 45). 9.6% of all completed flights arrived an hour or more late (BTS data, 2023 to 2025).
Of the delay minutes on late EWR to DEN flights, 41.4% were caused by a late incoming aircraft, 30.3% by the airline (crew, maintenance, ground handling), 22.6% by the air-traffic system (volume, non-extreme weather, airport operations), 5.6% by extreme weather and 0.0% by security (BTS data, 2023 to 2025).
| Cause | Share of delay minutes |
|---|---|
| late incoming aircraft | 41.4% |
| airline | 30.3% |
| air-traffic system | 22.6% |
| extreme weather | 5.6% |
| security | 0.0% |
BTS assigns causes to delay minutes on flights that arrived 15+ minutes late. "Air-traffic system" includes non-extreme weather that slows traffic.
EWR to DEN delays by day of week
| Day | Delayed 15+ min | Flights observed |
|---|---|---|
| Mon | 22.77% | 1,344 |
| Tue | 19.12% | 1,344 |
| Wed | 22.19% | 1,343 |
| Thu | 27.75% | 1,326 |
| Fri | 27.51% | 1,334 |
| Sat | 26.51% | 1,305 |
| Sun | 22.57% | 1,347 |
Month-by-month cancellation pattern
Share of scheduled EWR–DEN flights cancelled in each month, from BTS 2024–2025 on-time reporting. These are cancellations, not delays. Delay figures on this page cover January 2023 to December 2025.
| Month | Cancelled | Flights scheduled |
|---|---|---|
| Jan | 10.5% | 476 |
| Feb | 0.47% | 422 |
| Mar | 0.59% | 506 |
| Apr | 1.04% | 481 |
| May | 2.14% | 514 |
| Jun | 0.8% | 501 |
| Jul | 3.4% | 589 |
| Aug | 2.2% | 590 |
| Sep | 0.52% | 572 |
| Oct | 0.35% | 579 |
| Nov | 0.38% | 532 |
| Dec | 0.18% | 559 |
Airlines on EWR to DEN: delays and cancellations
United Airlines flies this route today. Only carriers with at least 200 scheduled flights on the pairing are listed. Delay rates cover January 2023 to December 2025; cancellation rates cover 2024 to 2025.
| Airline | Share of flights | Delayed 15+ min | Cancelled | Flights scheduled |
|---|---|---|---|---|
| United Airlines | 100% | 24.04% | 1.84% | 6,321 |
Related pages
- EWR delays: rate, worst hours and live risk
- DEN delays: rate, worst hours and live risk
- US airline cancellation rates
- Thanksgiving and Christmas 2026 flight delay guide
- Predict a EWR to DEN flight
Check your odds: Will my flight be delayed? · Will my flight be cancelled?
EWR vs DEN: airport conditions
Both ends of a route shape its delay profile. These are DelayGuard's operational scores for Newark and Denver.
| Measure | EWR (Newark) | DEN (Denver) |
|---|---|---|
| Congestion | high | high |
| Weather risk | high | moderate |
| NAS vulnerability | high | moderate |
| Average taxi-out | 25 min | 17 min |
| Runways | 3 | 6 |
EWR to DEN questions
- How long is the flight from Newark to Denver?
- Scheduled gate-to-gate time from EWR to DEN is a median 4 h 25 min, and flights actually took a median 4 h 13 min including 3 h 40 min in the air. 4.1% ran 30+ minutes over schedule (BTS data, January 2023 to December 2025).
- How often do EWR to DEN flights get delayed?
- Across 9,343 recorded EWR–DEN departures, January 2023 to December 2025 (BTS), 24.04% arrived at least 15 minutes late. Departure time matters most: 6:00 departures run 8.01% late against 38.52% for 19:00. Actual delay frequency varies by airline, time of day, and season.
- What is the best time of year to fly EWR to DEN?
- Both Newark and Denver share the same primary risk window: December–February (winter weather) and June–August (summer storms). Plan around those periods for the lowest delay probability on this route.
- Which airline is most reliable on EWR to DEN?
- Among the carriers BTS records on EWR→DEN, ranked by each airline's network-wide delay rate — the share of that airline's flights that arrived 15 or more minutes late, January 2023 to December 2025 (BTS), not measured on this route — the strongest are United Airlines (20.7%). Use the DelayGuard predictor above to check your specific airline, date, and departure hour — conditions vary significantly by day.
- How late are EWR to DEN flights when they are delayed?
- When a EWR to DEN flight was late (15+ minutes), it arrived an average of 74 minutes late (median 45). 9.6% of all completed flights arrived an hour or more late (BTS data, 2023 to 2025).
- How accurate is DelayGuard's delay prediction for this route?
- DelayGuard's delay risk score comes from an ML model trained on BTS data (3.95 million US domestic flights, 2023 to mid-2025), with live weather data (within 5 days of departure) and FAA NAS advisories (within 6 hours) — a likelihood of delay, not a guarantee.
Delay figures reflect arrivals 15 or more minutes late in BTS on-time reporting. Cancellation figures are separate and count flights that never operated. Hours, days and months with fewer than 100 recorded flights are omitted rather than estimated.