Route
BWI → MIA
Baltimore/Washington International Thurgood Marshall Airport Miami International Airport
How punctual is this route?
- On-time arrivals
- 75.3%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 78 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,294
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 20%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.2% | 155 |
| October 2025 | 83.0% | 178 |
| November 2025 | 78.0% | 183 |
| December 2025 | 68.7% | 218 |
| January 2026 | 76.0% | 213 |
| February 2026 | 75.7% | 183 |
| March 2026 | 75.7% | 180 |
| April 2026 | 80.0% | 207 |
| May 2026 | 77.2% | 204 |
| June 2026 | 69.7% | 179 |
| July 2026 | 65.0% | 192 |
| August 2026 | 67.7% | 202 |
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 |
|---|---|---|---|---|
| Southwest Airlines | 1,189 | 72.6% | 2.3% | 58 min |
| American Airlines | 699 | 80.6% | 2.3% | 121 min |
| Frontier Airlines | 269 | 71.1% | 4.5% | 90 min |
| Envoy Air | 121 | 81.8% | 0.0% | 68 min |
| NK | 16 | 60.0% | 6.2% | 51 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AA1183
15% late · 340 flights
-
F91665
32% late · 219 flights
-
AA716
10% late · 91 flights
-
AA1619
37% late · 74 flights
-
WN1217
16% late · 58 flights
-
WN1218
22% late · 58 flights
-
WN1770
15% late · 53 flights
-
WN3278
23% late · 52 flights
-
WN235
52% late · 51 flights
-
F91049
17% late · 49 flights
-
WN2321
22% late · 47 flights
-
WN2440
16% late · 47 flights
-
WN770
37% late · 45 flights
-
MQ4096
11% late · 44 flights
-
WN4737
21% late · 44 flights
-
WN2125
40% late · 40 flights
-
AA1931
22% late · 38 flights
-
AA1599
9% late · 36 flights
-
MQ3905
24% late · 33 flights
-
WN2688
30% late · 33 flights
-
WN3972
32% late · 33 flights
-
WN650
34% late · 32 flights
-
WN1065
23% late · 31 flights
-
WN1817
10% late · 31 flights
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