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 → FLL
Denver to Fort Lauderdale: 1,655 nonstop flights a year
On time (12 months)
78%
Cancelled
0.5%
avg delay 14 min
Best time to leave
After 9 PM
84% on time vs 62% 6 to 9 PM
Most reliable airline
United
81% 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 1225
11:59 PM → 5:52 AM3h 53m nonstop
Local times, typical schedule. Last flown 2026-03-28.
87%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 90% of the time (41 flights, Jun 2025 to May 2026).
- Never cancelled in 41 scheduled flights.
- Leaves in this route's most on-time window (After 9 PM: 84% on time; 6 to 9 PM: 62%).
- 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 · 41 flights
Find United 1225 fares Opens this date on Aviasales#2 · United 2188
9:40 AM → 3:41 PM4h 00m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
- On time (history)
- 86%
- Cancelled
- 0.3%
- Avg arrival delay
- 9 min
- Arrived on time 86% of the time (322 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 FLL's trouble window: 70% of its 20 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 322 flights
Find United 2188 fares Opens this date on Aviasales#3 · United 403
8:10 AM → 2:04 PM3h 54m nonstop
Local times, typical schedule. Last flown 2026-03-28.
82%
chance on time
- On time (history)
- 77%
- Cancelled
- 4.2%
- Avg arrival delay
- 16 min
- Arrived on time 77% of the time (22 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 FLL's trouble window: 70% of its 20 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (22 flights), so its score leans on the airline's record at this hour.
Limited track record · 22 flights
Find United 403 fares Opens this date on Aviasales#4 · JetBlue 482
11:30 AM → 5:24 PM3h 54m nonstop
Local times, typical schedule. Last flown 2026-03-23.
79%
chance on time
- On time (history)
- 82%
- Cancelled
- 8.3%
- Avg arrival delay
- 6 min
- Arrived on time 82% of the time (11 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 FLL's trouble window: 70% of its 20 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (11 flights), so its score leans on the route's record at this hour.
Limited track record · 11 flights
Find JetBlue 482 fares Opens this date on Aviasales#5 · United 1384
2:10 PM → 8:10 PM4h 00m nonstop
Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as United 1450; its record covers all of them.
78%
chance on time
- On time (history)
- 77%
- Cancelled
- 0.0%
- Avg arrival delay
- 17 min
- Arrived on time 77% of the time (48 flights, Jun 2025 to May 2026).
- Never cancelled in 48 scheduled flights.
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- 55% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 48 flights
Find United 1384 fares Opens this date on Aviasales#6 · United 1376
1:50 PM → 7:44 PM3h 54m nonstop
Local times, typical schedule. Last flown 2026-03-28.
77%
chance on time
- On time (history)
- 67%
- Cancelled
- 0.0%
- Avg arrival delay
- 25 min
- Arrived on time 67% of the time (24 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).
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find United 1376 fares Opens this date on Aviasales#7 · United 1374
5:53 PM → 11:59 PM4h 00m nonstop
Local times, typical schedule. Last flown 2026-05-31.
75%
chance on time
- On time (history)
- 74%
- Cancelled
- 0.3%
- Avg arrival delay
- 17 min
- Arrived on time 74% of the time (362 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.
- 50% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 362 flights
Find United 1374 fares Opens this date on Aviasales#8 · JetBlue 2882
4:05 PM → 9:56 PM3h 51m nonstop
Local times, typical schedule. Last flown 2026-03-23.
70%
chance on time
- On time (history)
- 40%
- Cancelled
- 0.0%
- Avg arrival delay
- 75 min
- Arrived on time 40% of the time (10 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 (10 flights), so its score leans on the route's record at this hour.
Limited track record · 10 flights
Find JetBlue 2882 fares Opens this date on Aviasales#9 · Southwest 4003
1:30 PM → 7:15 PM3h 45m nonstop
Local times, typical schedule. Last flown 2026-04-06.
69%
chance on time
- On time (history)
- 69%
- Cancelled
- 3.0%
- Avg arrival delay
- 26 min
- Arrived on time 69% of the time (32 flights, Jun 2025 to May 2026).
- Cancelled 3.0% of the time (1 of 33).
- 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 (32 flights), so its score leans on the airline's record at this hour.
Limited track record · 32 flights
Find Southwest 4003 fares Opens this date on Aviasales#10 · Southwest 3296
6:05 PM → 12:05 AM3h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
59%
chance on time
- On time (history)
- 57%
- Cancelled
- 0.0%
- Avg arrival delay
- 20 min
- Arrived on time 57% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 54 scheduled flights.
- Leaves in this route's least on-time window (6 to 9 PM: 62% on time; After 9 PM: 84%).
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
Limited track record · 54 flights
Find Southwest 3296 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines81%
1,250 flights · 82% on time as flown · 0.3% cancel
- Southwest Airlines68%
383 flights · 67% on time as flown · 0.7% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM83%
159 flights · avg delay 11 min
- 9 AM to noon80%
602 flights · avg delay 10 min
- Noon to 3 PM76%
305 flights · avg delay 17 min
- 3 to 6 PM73%
394 flights · avg delay 19 min
- 6 to 9 PM62%
50 flights · avg delay 24 min
- After 9 PM84%
145 flights · avg delay 9 min
Best day: Tuesday (78%). Worst: Friday (71%).
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