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 → MRY
Denver to Monterey: 727 nonstop flights a year
On time (12 months)
80%
Cancelled
0.3%
avg delay 14 min
Best time to leave
9 AM to noon
85% on time vs 75% 6 to 9 PM
Most reliable airline
SkyWest
80% chance on time
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 · SkyWest 5438 · sold as United Express, Delta Connection, American Eagle or Alaska
11:20 AM → 1:17 PM2h 57m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 85%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 85% of the time (363 flights, Jun 2025 to May 2026).
- Never cancelled in 363 scheduled flights.
- Leaves in this route's most on-time window (9 AM to noon: 85% on time; 6 to 9 PM: 75%).
- 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 · 363 flights
Find 11:20 AM flight fares Opens this date on Aviasales#2 · SkyWest 5413 · sold as United Express, Delta Connection, American Eagle or Alaska
7:10 PM → 9:07 PM2h 57m nonstop
Local times, typical schedule. Last flown 2026-05-19.
76%
chance on time
- On time (history)
- 76%
- Cancelled
- 0.6%
- Avg arrival delay
- 17 min
- Arrived on time 76% of the time (347 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 75% on time; 9 AM to noon: 85%).
- 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 · 347 flights
Find 7:10 PM flight fares Opens this date on Aviasales#3 · United 1371
7:30 PM → 9:10 PM2h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
69%
chance on time
- On time (history)
- 45%
- Cancelled
- 0.0%
- Avg arrival delay
- 18 min
- Arrived on time 45% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 75% on time; 9 AM to noon: 85%).
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- 65% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 11 flights
Find United 1371 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)80%
715 flights · 81% on time as flown · 0.3% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- 9 AM to noon85%
363 flights · avg delay 11 min
- 6 to 9 PM75%
364 flights · avg delay 17 min
Best day: Wednesday (84%). Worst: Monday (78%).
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