Route Reliability

Route reliability

Denver (DEN) to Newark (EWR): which airline is most on time?

On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Denver, CO (DEN) to Newark, NJ (EWR), September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Denver, CONewark, NJ

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Route at a glance · September 2025 to August 2026

DEN to EWR

Denver, CO to Newark, NJ

On time
76.8%vs 75.6% U.S. average About average
Cancelled
1.5%vs 1.9% U.S. average Better than average
60+ min late
8.6%vs 8.1% U.S. average About average
Scheduled flights
3,344in 12 months1 airline
Only rated airline
United Airlines76.8% on time · 3,344 flights

On time about as often as the U.S. average, with fewer cancellations.

Compared with all U.S. flights, September 2025 to August 2026. “About average” means within 1.5 points for on time, 0.3 for cancelled and 1 for 60+ minutes late.

Airlines on this route

Ranked by on-time arrival

Airlines from DEN to EWR, September 2025 to August 2026. Rates are shares of all scheduled flights.
Airline On time Cancelled 60+ min late Avg delay when late Diverted Flights
1. United Airlines 76.8% 1.5% 8.6% 83 min 1.0% 3,344

On time = arrived within 15 minutes of schedule. Avg delay when late = average arrival delay of flights 15+ minutes late. "Most reliable" needs at least 300 flights in 12 months. Tap a heading to sort.

What this means

How DEN to EWR compares.

  • United Airlines was the only airline with enough flights on this route to rate (3,344 flights). 76.8% of them arrived within 15 minutes of schedule.
  • 1.5% of flights on this route were cancelled (about 1 in 67), about the same as the U.S. average of 1.9%.
  • 8.6% of flights, about 1 in 12, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 83 min.
  • Overall, 76.8% of flights on this route arrived on time, 1.2 points higher than the U.S. average of 75.6%.
  • Over the last 3 years, October was the most reliable month on this route (82.6% on time) and July the least reliable (56.7%).
  • Cancellations peaked in January, when 8.8% of flights were cancelled.
  • Flights scheduled to depart 6 am to 7 am were the most punctual (95.5% on time); flights scheduled to depart 3 pm to 4 pm were the least (66.0%).
  • In the other direction, Newark (EWR) to Denver (DEN), 76.1% of flights were on time and 1.5% were cancelled. Compare airlines EWR to DEN.

Best and worst months to fly DEN to EWR

Jan 73.9%
Feb 79.3%
Mar 77.2%
Apr 77.9%
May 71.3%
Jun 67.8%
Jul 56.7%
Aug 65.6%
Sep 74.6%
Oct 82.6%
Nov 76.0%
Dec 80.7%
Share of scheduled flights on time 12-month average 76.8%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 73.9% 719
February 79.3% 641
March 77.2% 781
April 77.9% 751
May 71.3% 802
June 67.8% 802
July 56.7% 894
August 65.6% 885
September 74.6% 862
October 82.6% 886
November 76.0% 772
December 80.7% 815

Month by month, last 12 months

Sep 71.6%
Oct 76.7%
Nov 78.9%
Dec 80.1%
Jan 81.3%
Feb 79.9%
Mar 78.5%
Apr 89.3%
May 86.6%
Jun 77.1%
Jul 58.2%
Aug 67.0%
Share of scheduled flights on time U.S. average 75.6%
All airlines combined, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 71.6% 296
Oct 2025 76.7% 300
Nov 2025 78.9% 266
Dec 2025 80.1% 281
Jan 2026 81.3% 246
Feb 2026 79.9% 219
Mar 2026 78.5% 274
Apr 2026 89.3% 271
May 2026 86.6% 290
Jun 2026 77.1% 301
Jul 2026 58.2% 306
Aug 2026 67.0% 294

Best and worst departure times

<6a Insufficient sample
6a 95.5%
7a 87.9%
8a Insufficient sample
9a 76.9%
10a 81.9%
11a 75.6%
12p 67.3%
1p 66.3%
2p 72.9%
3p 66.0%
4p 57.8%
5p 70.2%
6p Insufficient sample
7p 67.7%
11p 89.9%
Share of scheduled flights on time
By scheduled local departure hour at DEN, September 2025 to August 2026. Hours with no scheduled flights are omitted. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing before 6 am Insufficient sample 6
Departing 6 am to 7 am 95.5% 309
Departing 7 am to 8 am 87.9% 348
Departing 8 am to 9 am Insufficient sample 17
Departing 9 am to 10 am 76.9% 199
Departing 10 am to 11 am 81.9% 166
Departing 11 am to noon 75.6% 365
Departing noon to 1 pm 67.3% 349
Departing 1 pm to 2 pm 66.3% 306
Departing 2 pm to 3 pm 72.9% 59
Departing 3 pm to 4 pm 66.0% 282
Departing 4 pm to 5 pm 57.8% 83
Departing 5 pm to 6 pm 70.2% 346
Departing 6 pm to 7 pm Insufficient sample 19
Departing 7 pm to 8 pm 67.7% 133
Departing 11 pm to midnight 89.9% 357
Woman at an airport window watching a plane take off
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Nonstop scheduled flights from Denver, CO (DEN) to Newark, NJ (EWR), one direction. Airlines that report to the DOT only.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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