Route
CMH → MIA
John Glenn Columbus International Airport Miami International Airport
How punctual is this route?
- On-time arrivals
- 84.5%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,181
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Airline (crew, maintenance, cleaning) 27%
- Air traffic control & airport 25%
- Extreme weather 6%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.0% | 60 |
| October 2025 | 79.0% | 62 |
| November 2025 | 87.0% | 92 |
| December 2025 | 69.4% | 108 |
| January 2026 | 80.7% | 111 |
| February 2026 | 85.4% | 103 |
| March 2026 | 79.6% | 139 |
| April 2026 | 85.9% | 92 |
| May 2026 | 93.8% | 96 |
| June 2026 | 90.0% | 110 |
| July 2026 | 87.0% | 115 |
| August 2026 | 90.2% | 93 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Envoy Air | 979 | 85.3% | 0.1% | 74 min |
| Southwest Airlines | 160 | 78.5% | 1.2% | 54 min |
| American Airlines | 40 | 89.7% | 2.5% | 142 min |
| Republic Airways | 2 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
MQ3667
4% late · 149 flights
-
MQ3642
18% late · 137 flights
-
MQ4085
18% late · 132 flights
-
MQ3347
30% late · 82 flights
-
MQ3437
24% late · 77 flights
-
MQ3842
11% late · 65 flights
-
MQ3375
5% late · 60 flights
-
MQ4057
11% late · 54 flights
-
MQ3518
16% late · 44 flights
-
MQ3845
8% late · 40 flights
-
AA2477
11% late · 37 flights
-
MQ3662
3% late · 34 flights
-
MQ3854
12% late · 33 flights
-
WN277
6% late · 32 flights
-
MQ3841
30% late · 30 flights
-
WN114
33% late · 27 flights
-
MQ3860
4% late · 24 flights
-
WN685
16% late · 20 flights
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