Route on-time record
DEN to MCO: most on-time flights and the best time to fly
Denver (Denver International Airport) to Orlando (Orlando International Airport). 4,582 nonstop flights in Jun 2025 to May 2026, 77% arrived within 15 minutes and 0.7% were cancelled. The most reliable flight number was United 2321 at 6:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
DEN → MCO
Denver to Orlando: 4,582 nonstop flights a year
On time (12 months)
77%
Cancelled
0.7%
avg delay 16 min
Best time to leave
Before 9 AM
88% on time vs 63% 6 to 9 PM
Most reliable airline
United
82% 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 · United 2321
6:00 AM → 11:44 AM3h 44m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 91% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 6 to 9 PM: 63%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find United 2321 fares Opens this date on Aviasales#2 · Southwest 3267
5:00 AM → 10:35 AM3h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 2508; its record covers all of them.
89%
chance on time
- On time (history)
- 92%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 92% of the time (88 flights, Jun 2025 to May 2026).
- Never cancelled in 88 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 6 to 9 PM: 63%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Moderate track record · 88 flights
Find Southwest 3267 fares Opens this date on Aviasales#3 · United 519
11:59 PM → 5:36 AM3h 37m nonstop
Local times, typical schedule. Last flown 2026-03-28.
89%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.6%
- Avg arrival delay
- 7 min
- Arrived on time 88% of the time (153 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).
Moderate track record · 153 flights
Find United 519 fares Opens this date on Aviasales#4 · Southwest 1938
11:50 PM → 5:30 AM3h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 2612; its record covers all of them.
87%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 90% of the time (87 flights, Jun 2025 to May 2026).
- Never cancelled in 87 scheduled flights.
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Moderate track record · 87 flights
Find Southwest 1938 fares Opens this date on Aviasales#5 · United 2292
8:15 AM → 1:58 PM3h 43m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.5%
- Avg arrival delay
- 8 min
- Arrived on time 88% of the time (192 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 6 to 9 PM: 63%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- Lands inside MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.
Moderate track record · 192 flights
Find United 2292 fares Opens this date on Aviasales#6 · United 2354
9:50 AM → 3:34 PM3h 44m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 87%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 87% of the time (266 flights, Jun 2025 to May 2026).
- Never cancelled in 267 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 MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 266 flights
Find United 2354 fares Opens this date on Aviasales#7 · United 1796
7:00 AM → 12:37 PM3h 37m nonstop
Local times, typical schedule. Last flown 2026-03-28.
84%
chance on time
- On time (history)
- 81%
- Cancelled
- 0.0%
- Avg arrival delay
- 10 min
- Arrived on time 81% of the time (16 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 6 to 9 PM: 63%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find United 1796 fares Opens this date on Aviasales#8 · United 1484
4:05 PM → 9:41 PM3h 36m nonstop
Local times, typical schedule. Last flown 2026-03-28.
77%
chance on time
- On time (history)
- 72%
- Cancelled
- 0.0%
- Avg arrival delay
- 17 min
- Arrived on time 72% of the time (18 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 (18 flights), so its score leans on the airline's record at this hour.
Limited track record · 18 flights
Find United 1484 fares Opens this date on Aviasales#9 · Frontier 4646
7:00 AM → 12:45 PM3h 45m nonstop
Local times, typical schedule. Last flown 2026-04-11.
76%
chance on time
- On time (history)
- 76%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 76% of the time (29 flights, Jun 2025 to May 2026).
- Never cancelled in 30 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 6 to 9 PM: 63%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Limited track record · 29 flights
Find Frontier 4646 fares Opens this date on Aviasales#10 · Frontier 2520
11:59 PM → 5:33 AM3h 37m nonstop
Local times, typical schedule. Last flown 2026-05-31.
74%
chance on time
- On time (history)
- 76%
- Cancelled
- 1.8%
- Avg arrival delay
- 18 min
- Arrived on time 76% of the time (166 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).
Moderate track record · 166 flights
Find Frontier 2520 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines82%
1,780 flights · 82% on time as flown · 0.4% cancel
- Frontier Airlines73%
815 flights · 74% on time as flown · 1.1% cancel
- Southwest Airlines73%
1,987 flights · 73% on time as flown · 0.7% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM88%
1,122 flights · avg delay 7 min
- 9 AM to noon77%
903 flights · avg delay 13 min
- Noon to 3 PM69%
769 flights · avg delay 25 min
- 3 to 6 PM64%
704 flights · avg delay 23 min
- 6 to 9 PM63%
337 flights · avg delay 24 min
- After 9 PM83%
747 flights · avg delay 12 min
Best day: Wednesday (78%). Worst: Saturday (74%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft39%
- Airline (crew, maintenance, boarding)38%
- Air traffic control and airport volume21%
- Severe weather2%
Share of delay minutes by the cause airlines report to the US DOT.
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
DEN to MCO questions
- What time of day is best to fly DEN to MCO?
- Before 9 AM: 88% of flights arrived on time, against 63% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from DEN to MCO?
- United, with a season-adjusted 82% chance of operating and arriving on time over 1,780 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on DEN to MCO?
- June (63% on time); the best was November (84%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from DEN
- MCO to DEN (return)
- DEN to PHX 75%
- DEN to SLC 77%
- DEN to LAX 79%
- DEN to LAS 75%
- DEN to SEA 73%
- DEN to ORD 70%
- DEN to DFW 75%
- DEN to SAN 76%
- DEN to MSP 78%
- DEN to ATL 80%
- DEN to SFO 68%
- DEN to AUS 76%
Live status: FAA delays and ground stops