ATIS Alerts Smart Flight Search
Find the flight least likely to be delayed
BetaWe rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.
DEN → EWR
Denver to Newark: 3,293 nonstop flights a year
On time (12 months)
76%
Cancelled
1.5%
avg delay 20 min
Best time to leave
Before 9 AM
91% on time vs 64% 6 to 9 PM
Most reliable airline
United
75% chance on time
Lowest nonstop fare seen in the next two months: $194 (United 1745 on 2026-10-30). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · United 2345
6:00 AM → 11:50 AM3h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
94%
chance on time
- On time (history)
- 95%
- Cancelled
- 0.3%
- Avg arrival delay
- 3 min
- Arrived on time 95% of the time (305 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 91% on time; 6 to 9 PM: 64%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Strong track record · 305 flights
Find United 2345 fares Opens this date on Aviasales#2 · United 1745
11:59 PM → 5:51 AM3h 52m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 237; its record covers all of them.
87%
chance on time
- On time (history)
- 89%
- Cancelled
- 2.0%
- Avg arrival delay
- 8 min
- Arrived on time 89% of the time (295 flights, Jun 2025 to May 2026).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Strong track record · 295 flights
Find United 1745 fares Opens this date on Aviasales#3 · United 2640
7:45 AM → 1:29 PM3h 44m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.9%
- Avg arrival delay
- 6 min
- Arrived on time 91% of the time (108 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 91% on time; 6 to 9 PM: 64%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- Lands inside EWR's trouble window: 65% of its 259 ground stops and delay programs started between 1 PM and 7 PM.
Moderate track record · 108 flights
Find United 2640 fares Opens this date on Aviasales#4 · United 1423
10:09 AM → 4:04 PM3h 55m nonstop
Local times, typical schedule. Last flown 2026-04-29.
81%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 7 min
- Arrived on time 91% of the time (32 flights, Jun 2025 to May 2026).
- Never cancelled in 32 scheduled flights.
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- Lands inside EWR's trouble window: 65% of its 259 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 32 flights
Find United 1423 fares Opens this date on Aviasales#5 · United 2381
9:50 AM → 3:29 PM3h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
76%
chance on time
- On time (history)
- 84%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 84% of the time (56 flights, Jun 2025 to May 2026).
- Never cancelled in 56 scheduled flights.
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- Lands inside EWR's trouble window: 65% of its 259 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 56 flights
Find United 2381 fares Opens this date on Aviasales#6 · United 1233
11:38 AM → 5:30 PM3h 52m nonstop
Local times, typical schedule. Last flown 2026-05-31.
74%
chance on time
- On time (history)
- 77%
- Cancelled
- 1.8%
- Avg arrival delay
- 16 min
- Arrived on time 77% of the time (332 flights, Jun 2025 to May 2026).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- Lands inside EWR's trouble window: 65% of its 259 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 332 flights
Find United 1233 fares Opens this date on Aviasales#7 · United 2093
7:10 PM → 1:04 AM3h 54m nonstop
Local times, typical schedule. Last flown 2026-05-31.
72%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 7 min
- Arrived on time 91% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 64% on time; Before 9 AM: 91%).
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find United 2093 fares Opens this date on Aviasales#8 · United 1505
2:00 PM → 7:52 PM3h 52m nonstop
Local times, typical schedule. Last flown 2026-05-31.
67%
chance on time
- On time (history)
- 69%
- Cancelled
- 1.6%
- Avg arrival delay
- 31 min
- Arrived on time 69% of the time (302 flights, Jun 2025 to May 2026).
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
Strong track record · 302 flights
Find United 1505 fares Opens this date on Aviasales#9 · United 394
2:10 PM → 8:02 PM3h 52m nonstop
Local times, typical schedule. Last flown 2026-05-20.
67%
chance on time
- On time (history)
- 76%
- Cancelled
- 0.0%
- Avg arrival delay
- 15 min
- Arrived on time 76% of the time (21 flights, Jun 2025 to May 2026).
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (21 flights), so its score leans on the airline's record at this hour.
Limited track record · 21 flights
Find United 394 fares Opens this date on Aviasales#10 · United 2613
5:47 PM → 11:44 PM3h 57m nonstop
Local times, typical schedule. Last flown 2026-05-31.
66%
chance on time
- On time (history)
- 66%
- Cancelled
- 1.2%
- Avg arrival delay
- 25 min
- Arrived on time 66% of the time (323 flights, Jun 2025 to May 2026).
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
Strong track record · 323 flights
Find United 2613 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines75%
3,293 flights · 76% on time as flown · 1.5% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM91%
673 flights · avg delay 7 min
- 9 AM to noon77%
705 flights · avg delay 17 min
- Noon to 3 PM68%
717 flights · avg delay 33 min
- 3 to 6 PM65%
714 flights · avg delay 27 min
- 6 to 9 PM64%
121 flights · avg delay 31 min
- After 9 PM89%
363 flights · avg delay 7 min
Best day: Tuesday (78%). Worst: Thursday (72%).
Smarter routing
Nearby airports that run more on time
DEN → JFK 77% chance on time
Denver International Airport to John F. Kennedy International Airport · 1,578 flights a year · 21 mi from your airports · yours: 75%
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure