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.
MCO → IAH
Orlando to Houston: 3,710 nonstop flights a year
On time (12 months)
81%
Cancelled
1.1%
avg delay 16 min
Best time to leave
Before 9 AM
91% on time vs 70% 6 to 9 PM
Most reliable airline
United
83% chance on time
Lowest nonstop fare seen in the next two months: $172 (Frontier 1417 on 2026-10-21). 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 468
7:00 AM → 8:49 AM2h 49m nonstop
Local times, typical schedule. Last flown 2026-05-31.
94%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.9%
- Avg arrival delay
- 3 min
- Arrived on time 96% 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: 70%).
- Departs outside MCO's trouble window (1 PM to 7 PM, when 76% of its 89 ground stops and delay programs started).
Moderate track record · 108 flights
Find United 468 fares Opens this date on Aviasales#2 · United 1493
11:51 AM → 1:40 PM2h 49m nonstop
Local times, typical schedule. Last flown 2026-05-31.
93%
chance on time
- On time (history)
- 95%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 95% of the time (109 flights, Jun 2025 to May 2026).
- Never cancelled in 109 scheduled flights.
- Departs outside MCO's trouble window (1 PM to 7 PM, when 76% of its 89 ground stops and delay programs started).
- Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
Moderate track record · 109 flights
Find United 1493 fares Opens this date on Aviasales#3 · Frontier 1417
6:45 AM → 8:50 AM2h 53m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
- On time (history)
- 85%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 85% of the time (239 flights, Jun 2025 to May 2026).
- Never cancelled in 240 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 91% on time; 6 to 9 PM: 70%).
- Departs outside MCO's trouble window (1 PM to 7 PM, when 76% of its 89 ground stops and delay programs started).
Strong track record · 239 flights
Find Frontier 1417 fares Opens this date on Aviasales#4 · United 2406
1:15 PM → 3:04 PM2h 49m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
- On time (history)
- 87%
- Cancelled
- 0.3%
- Avg arrival delay
- 13 min
- Arrived on time 87% of the time (326 flights, Jun 2025 to May 2026).
- Departs inside MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.
- Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
Strong track record · 326 flights
Find United 2406 fares Opens this date on Aviasales#5 · United 2611
9:00 AM → 10:45 AM2h 45m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.7%
- Avg arrival delay
- 7 min
- Arrived on time 89% of the time (137 flights, Jun 2025 to May 2026).
- Departs outside MCO's trouble window (1 PM to 7 PM, when 76% of its 89 ground stops and delay programs started).
Moderate track record · 137 flights
Find United 2611 fares Opens this date on Aviasales#6 · United 2456
3:06 PM → 4:55 PM2h 49m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.6%
- Avg arrival delay
- 11 min
- Arrived on time 89% of the time (158 flights, Jun 2025 to May 2026).
- Departs inside MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.
- Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
Moderate track record · 158 flights
Find United 2456 fares Opens this date on Aviasales#7 · Spirit 2229
11:18 AM → 12:53 PM2h 35m nonstop
Local times, typical schedule. Last flown 2026-04-30.
77%
chance on time
- On time (history)
- 71%
- Cancelled
- 6.7%
- Avg arrival delay
- 26 min
- Arrived on time 71% of the time (14 flights, Jun 2025 to May 2026).
- Departs outside MCO's trouble window (1 PM to 7 PM, when 76% of its 89 ground stops and delay programs started).
- Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
- 82% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 14 flights
Find Spirit 2229 fares Opens this date on Aviasales#8 · Frontier 3469
4:53 PM → 8:20 PM2h 56m nonstop
Local times, typical schedule. Last flown 2026-05-31.
76%
chance on time
- On time (history)
- 78%
- Cancelled
- 0.9%
- Avg arrival delay
- 17 min
- Arrived on time 78% of the time (227 flights, Jun 2025 to May 2026).
- Departs inside MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 227 flights
Find Frontier 3469 fares Opens this date on Aviasales#9 · United 2215
7:01 PM → 8:50 PM2h 49m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 1179; its record covers all of them.
73%
chance on time
- On time (history)
- 71%
- Cancelled
- 1.1%
- Avg arrival delay
- 30 min
- Arrived on time 71% of the time (281 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 70% on time; Before 9 AM: 91%).
- Departs outside MCO's trouble window (1 PM to 7 PM, when 76% of its 89 ground stops and delay programs started).
Strong track record · 281 flights
Find United 2215 fares Opens this date on Aviasales#10 · Spirit 920
8:31 AM → 10:18 AM2h 47m nonstop
Local times, typical schedule. Last flown 2026-04-14.
72%
chance on time
- On time (history)
- 77%
- Cancelled
- 2.5%
- Avg arrival delay
- 17 min
- Arrived on time 77% of the time (78 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: 70%).
- Departs outside MCO's trouble window (1 PM to 7 PM, when 76% of its 89 ground stops and delay programs started).
Moderate track record · 78 flights
Find Spirit 920 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines83%
2,481 flights · 83% on time as flown · 0.8% cancel
- Frontier Airlines82%
515 flights · 82% on time as flown · 0.5% cancel
- Spirit Airlines72%
714 flights · 73% on time as flown · 2.2% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM91%
709 flights · avg delay 6 min
- 9 AM to noon88%
809 flights · avg delay 10 min
- Noon to 3 PM85%
595 flights · avg delay 13 min
- 3 to 6 PM73%
940 flights · avg delay 24 min
- 6 to 9 PM70%
538 flights · avg delay 32 min
- After 9 PM71%
119 flights · avg delay 19 min
Best day: Tuesday (83%). Worst: Sunday (74%).
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