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 → GRR
Orlando to Grand Rapids: 419 nonstop flights a year
On time (12 months)
80%
Cancelled
0.5%
avg delay 14 min
Best time to leave
Before 9 AM
97% on time vs 57% 6 to 9 PM
Most reliable airline
Frontier
86% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Best trips
4 nonstop, 40 with 1 connection. Best overall weighs the chance you arrive on time as booked, connection odds, travel time and separate tickets.
Best overall#1 · Nonstop · 2h 57m
9:15 AM → 12:08 PM
89%
arrive on time
89% on time · 0.3% cancel9:15 AM MCO → 12:08 PM GRR2h 57m
Frontier 1369
Airbus A320neo · 1–10 yrs oldFind Frontier 1369 fares Opens this date on Aviasales#2 · Nonstop · 2h 59m
9:30 AM → 12:29 PM
85%
arrive on time
86% on time · 0.7% cancel9:30 AM MCO → 12:29 PM GRR2h 59m
Frontier 1307
Airbus A320neo · 1–9 yrs oldFind Frontier 1307 fares Opens this date on Aviasales#3 · Nonstop · 2h 45m
1:40 PM → 4:25 PM
76%
arrive on time
76% on time · 0.5% cancel1:40 PM MCO → 4:25 PM GRR2h 45m
Southwest 2194
Boeing 737-800 · 4–14 yrs oldFind Southwest 2194 fares Opens this date on Aviasales#4 · 1 connection · 5h 16m · one ticket (Delta)
6:00 AM → 11:18 AM
95%
connections made
84%
arrive on time
93% on time · 0.7% cancel6:00 AM MCO → 8:42 AM DTW2h 40m
Delta 1201
Boeing 757-300 · 23–24 yrs oldConnect in DTW · 1h 38m · 97% chance to make it · same ticket: the airline rebooks you if you miss it88% on time · 0.7% cancel10:20 AM DTW → 11:18 AM GRR58m
Republic 5858 · sold as Delta Connection
Embraer E175 · about 18 yrs oldFind this Delta trip Look for Delta 1201 + Republic 5858 on Aviasales#5 · 1 connection · 5h 30m · one ticket (Delta)
7:00 AM → 12:31 PM
93%
connections made
80%
arrive on time
88% on time · 1.4% cancel7:00 AM MCO → 8:47 AM ATL1h 46m
Delta 2080
Boeing 757-200 · 21–30 yrs oldConnect in ATL · 1h 53m · 97% chance to make it · same ticket: the airline rebooks you if you miss it86% on time · 2.9% cancel10:40 AM ATL → 12:31 PM GRR1h 51m
Delta 2547
Boeing 737-900ER · 7–25 yrs oldFind this Delta trip Look for Delta 2080 + Delta 2547 on Aviasales#6 · 1 connection · 6h 16m · one ticket (Delta)
6:15 AM → 12:31 PM
95%
connections made
82%
arrive on time
94% on time · 1.1% cancel6:15 AM MCO → 7:54 AM ATL1h 39m
Delta 1494
Boeing 757-200 or Airbus A321 · 6–29 yrs oldConnect in ATL · 2h 46m · 99% chance to make it · same ticket: the airline rebooks you if you miss it86% on time · 2.9% cancel10:40 AM ATL → 12:31 PM GRR1h 51m
Delta 2547
Boeing 737-900ER · 7–25 yrs oldFind this Delta trip Look for Delta 1494 + Delta 2547 on Aviasales#7 · 1 connection · 6h 10m · one ticket (Southwest)
10:10 AM → 4:20 PM
95%
connections made
80%
arrive on time
75% on time · 2.1% cancel10:10 AM MCO → 12:00 PM MDW2h 50m
Southwest 2619 · also flew as 1669
Boeing 737 MAX 8 or 737-800 · 2–19 yrs oldConnect in MDW · 2h 30m · 97% chance to make it · same ticket: the airline rebooks you if you miss it84% on time · 0.7% cancel2:30 PM MDW → 4:20 PM GRR50m
Southwest 2761
Boeing 737-700 · 16–22 yrs oldFind this Southwest trip Look for Southwest 2619 + Southwest 2761 on Aviasales#8 · 1 connection · 5h 49m · one ticket (American)
5:00 AM → 10:49 AM
94%
connections made
78%
arrive on time
94% on time · 1.8% cancel5:00 AM MCO → 6:46 AM CLT1h 46m
American 1896
Airbus A321 · 10–25 yrs oldConnect in CLT · 2h 09m · 98% chance to make it · same ticket: the airline rebooks you if you miss it83% on time · 2.1% cancel8:55 AM CLT → 10:49 AM GRR1h 54m
American 2121 · also flew as 2778
Boeing 737-800 · 8–27 yrs oldFind this American trip Look for American 1896 + American 2121 on Aviasales#9 · Nonstop · 2h 55m
7:30 PM → 10:25 PM
67%
arrive on time
68% on time · 1.0% cancel7:30 PM MCO → 10:25 PM GRR2h 55m
Southwest 2552
Boeing 737-700 · 3–22 yrs oldFind Southwest 2552 fares Opens this date on Aviasales#10 · 1 connection · 7h 02m · one ticket (Delta)
5:30 AM → 12:31 PM
94%
connections made
81%
arrive on time
94% on time · 2.1% cancel5:30 AM MCO → 7:05 AM ATL1h 36m
Delta 1548
Boeing 757-200 or Airbus A321 · 8–29 yrs oldConnect in ATL · 3h 35m · 99% chance to make it · same ticket: the airline rebooks you if you miss it86% on time · 2.9% cancel10:40 AM ATL → 12:31 PM GRR1h 51m
Delta 2547
Boeing 737-900ER · 7–25 yrs oldFind this Delta trip Look for Delta 1548 + Delta 2547 on Aviasales
Aircraft and ages come from the planes each flight number actually flew in the last 3 months of data (FAA registry build years); airlines can swap planes.
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Frontier Airlines86%
204 flights · 88% on time as flown · 0.5% cancel
- Southwest Airlines76%
187 flights · 75% on time as flown · 0.5% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM97%
33 flights · avg delay 1 min
- 9 AM to noon84%
128 flights · avg delay 7 min
- Noon to 3 PM84%
96 flights · avg delay 13 min
- 3 to 6 PM74%
126 flights · avg delay 22 min
- 6 to 9 PM57%
36 flights · avg delay 29 min
Best day: Tuesday (86%). Worst: Saturday (73%).
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