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Route on-time record

GRR to MCO: most on-time flights and the best time to fly

Grand Rapids (Gerald R. Ford International Airport) to Orlando (Orlando International Airport). 418 nonstop flights in Jun 2025 to May 2026, 76% arrived within 15 minutes and 1.0% were cancelled. The most reliable flight number was Frontier 3476 at 12:53 PM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

Find me the most reliable flights fromtoonreturning(optional)

GRR → MCO

Grand Rapids to Orlando: 418 nonstop flights a year

On time (12 months)

76%

Cancelled

1.0%

avg delay 18 min

Best time to leave

Noon to 3 PM

79% on time vs 73% 3 to 6 PM

Most reliable airline

Frontier

78% chance on time

Check GRR to MCO fares

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. #1 · Frontier 3476

    12:53 PM → 3:57 PM2h 52m nonstop

    Local times, typical schedule. Last flown 2026-05-30.

    79%

    chance on time

    On time (history)
    79%
    Cancelled
    1.3%
    Avg arrival delay
    20 min
    • Arrived on time 79% of the time (155 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Noon to 3 PM: 79% on time; 3 to 6 PM: 73%).
    • Lands inside MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.
    • 64% of its delay minutes came from the plane arriving late from an earlier flight.

    Moderate track record · 155 flights

    Find Frontier 3476 fares Opens this date on Aviasales

  2. #2 · Southwest 1918

    4:05 PM → 6:45 PM2h 40m nonstop

    Local times, typical schedule. Last flown 2026-05-30.

    73%

    chance on time

    On time (history)
    75%
    Cancelled
    0.0%
    Avg arrival delay
    17 min
    • Arrived on time 75% of the time (8 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (3 to 6 PM: 73% on time; Noon to 3 PM: 79%).
    • Lands inside MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.
    • Short track record (8 flights), so its score leans on the airline's record at this hour.

    Limited track record · 8 flights

    Find Southwest 1918 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Frontier Airlines78%

    203 flights · 80% on time as flown · 1.3% cancel

  • Southwest Airlines75%

    187 flights · 75% on time as flown · 0.7% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM74%

    74 flights · avg delay 16 min

  • Noon to 3 PM79%

    114 flights · avg delay 12 min

  • 3 to 6 PM73%

    89 flights · avg delay 24 min

  • 6 to 9 PM76%

    113 flights · avg delay 24 min

Best day: Tuesday (87%). Worst: Sunday (69%).

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.

J
71
F
79
M
74
A
82
M
78
J
53
J
59
A
68
S
87
O
83
N
83
D
78

What delays this route

  • Late-arriving aircraft50%
  • Air traffic control and airport volume30%
  • Airline (crew, maintenance, boarding)17%
  • 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

Finding the most reliable connections from GRR to MCO…

GRR to MCO questions

What time of day is best to fly GRR to MCO?
Noon to 3 PM: 79% of flights arrived on time, against 73% for departures 3 to 6 PM.
Which airline is most on time from GRR to MCO?
Frontier, with a season-adjusted 78% chance of operating and arriving on time over 203 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 GRR to MCO?
June (53% on time); the best was September (87%), 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 GRR

Live status: FAA delays and ground stops